/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2020 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */

/******/ (() => { // webpackBootstrap
/******/ 	'use strict'
  /******/ 	var __webpack_modules__ = ([
    /* 0 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      Object.defineProperty(exports, 'PDFViewerApplicationOptions', ({
        enumerable: true,
        get: function get () {
          return _app_options.AppOptions
        }
      }))
      Object.defineProperty(exports, 'PDFViewerApplication', ({
        enumerable: true,
        get: function get () {
          return _app.PDFViewerApplication
        }
      }))

      var _app_options = __webpack_require__(1)

      var _app = __webpack_require__(3)

      var pdfjsVersion = '2.7.320'
      var pdfjsBuild = 'a618b02e6'
      window.PDFViewerApplication = _app.PDFViewerApplication
      window.PDFViewerApplicationOptions = _app_options.AppOptions

      {
        __webpack_require__(37)
      }
      ;
      ;
      {
        __webpack_require__(42)
      }

      function getViewerConfiguration () {
        return {
          appContainer: document.body,
          mainContainer: document.getElementById('viewerContainer'),
          viewerContainer: document.getElementById('viewer'),
          eventBus: null,
          toolbar: {
            container: document.getElementById('toolbarViewer'),
            numPages: document.getElementById('numPages'),
            pageNumber: document.getElementById('pageNumber'),
            scaleSelectContainer: document.getElementById('scaleSelectContainer'),
            scaleSelect: document.getElementById('scaleSelect'),
            customScaleOption: document.getElementById('customScaleOption'),
            previous: document.getElementById('previous'),
            next: document.getElementById('next'),
            zoomIn: document.getElementById('zoomIn'),
            zoomOut: document.getElementById('zoomOut'),
            viewFind: document.getElementById('viewFind'),
            openFile: document.getElementById('openFile'),
            print: document.getElementById('print'),
            presentationModeButton: document.getElementById('presentationMode'),
            download: document.getElementById('download'),
            viewBookmark: document.getElementById('viewBookmark')
          },
          secondaryToolbar: {
            toolbar: document.getElementById('secondaryToolbar'),
            toggleButton: document.getElementById('secondaryToolbarToggle'),
            toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
            presentationModeButton: document.getElementById('secondaryPresentationMode'),
            openFileButton: document.getElementById('secondaryOpenFile'),
            printButton: document.getElementById('secondaryPrint'),
            downloadButton: document.getElementById('secondaryDownload'),
            viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
            firstPageButton: document.getElementById('firstPage'),
            lastPageButton: document.getElementById('lastPage'),
            pageRotateCwButton: document.getElementById('pageRotateCw'),
            pageRotateCcwButton: document.getElementById('pageRotateCcw'),
            cursorSelectToolButton: document.getElementById('cursorSelectTool'),
            cursorHandToolButton: document.getElementById('cursorHandTool'),
            scrollVerticalButton: document.getElementById('scrollVertical'),
            scrollHorizontalButton: document.getElementById('scrollHorizontal'),
            scrollWrappedButton: document.getElementById('scrollWrapped'),
            spreadNoneButton: document.getElementById('spreadNone'),
            spreadOddButton: document.getElementById('spreadOdd'),
            spreadEvenButton: document.getElementById('spreadEven'),
            documentPropertiesButton: document.getElementById('documentProperties')
          },
          fullscreen: {
            contextFirstPage: document.getElementById('contextFirstPage'),
            contextLastPage: document.getElementById('contextLastPage'),
            contextPageRotateCw: document.getElementById('contextPageRotateCw'),
            contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
          },
          sidebar: {
            outerContainer: document.getElementById('outerContainer'),
            viewerContainer: document.getElementById('viewerContainer'),
            toggleButton: document.getElementById('sidebarToggle'),
            thumbnailButton: document.getElementById('viewThumbnail'),
            outlineButton: document.getElementById('viewOutline'),
            attachmentsButton: document.getElementById('viewAttachments'),
            layersButton: document.getElementById('viewLayers'),
            thumbnailView: document.getElementById('thumbnailView'),
            outlineView: document.getElementById('outlineView'),
            attachmentsView: document.getElementById('attachmentsView'),
            layersView: document.getElementById('layersView')
          },
          sidebarResizer: {
            outerContainer: document.getElementById('outerContainer'),
            resizer: document.getElementById('sidebarResizer')
          },
          findBar: {
            bar: document.getElementById('findbar'),
            toggleButton: document.getElementById('viewFind'),
            findField: document.getElementById('findInput'),
            highlightAllCheckbox: document.getElementById('findHighlightAll'),
            caseSensitiveCheckbox: document.getElementById('findMatchCase'),
            entireWordCheckbox: document.getElementById('findEntireWord'),
            findMsg: document.getElementById('findMsg'),
            findResultsCount: document.getElementById('findResultsCount'),
            findPreviousButton: document.getElementById('findPrevious'),
            findNextButton: document.getElementById('findNext')
          },
          passwordOverlay: {
            overlayName: 'passwordOverlay',
            container: document.getElementById('passwordOverlay'),
            label: document.getElementById('passwordText'),
            input: document.getElementById('password'),
            submitButton: document.getElementById('passwordSubmit'),
            cancelButton: document.getElementById('passwordCancel')
          },
          documentProperties: {
            overlayName: 'documentPropertiesOverlay',
            container: document.getElementById('documentPropertiesOverlay'),
            closeButton: document.getElementById('documentPropertiesClose'),
            fields: {
              fileName: document.getElementById('fileNameField'),
              fileSize: document.getElementById('fileSizeField'),
              title: document.getElementById('titleField'),
              author: document.getElementById('authorField'),
              subject: document.getElementById('subjectField'),
              keywords: document.getElementById('keywordsField'),
              creationDate: document.getElementById('creationDateField'),
              modificationDate: document.getElementById('modificationDateField'),
              creator: document.getElementById('creatorField'),
              producer: document.getElementById('producerField'),
              version: document.getElementById('versionField'),
              pageCount: document.getElementById('pageCountField'),
              pageSize: document.getElementById('pageSizeField'),
              linearized: document.getElementById('linearizedField')
            }
          },
          errorWrapper: {
            container: document.getElementById('errorWrapper'),
            errorMessage: document.getElementById('errorMessage'),
            closeButton: document.getElementById('errorClose'),
            errorMoreInfo: document.getElementById('errorMoreInfo'),
            moreInfoButton: document.getElementById('errorShowMore'),
            lessInfoButton: document.getElementById('errorShowLess')
          },
          printContainer: document.getElementById('printContainer'),
          openFileInputName: 'fileInput',
          debuggerScriptPath: './debugger.js'
        }
      }

      function webViewerLoad () {
        var config = getViewerConfiguration()
        var event = document.createEvent('CustomEvent')
        event.initCustomEvent('webviewerloaded', true, true, {
          source: window
        })

        try {
          parent.document.dispatchEvent(event)
        } catch (ex) {
          console.error('webviewerloaded: '.concat(ex))
          document.dispatchEvent(event)
        }

        _app.PDFViewerApplication.run(config)
      }

      if (document.readyState === 'interactive' || document.readyState === 'complete') {
        webViewerLoad()
      } else {
        document.addEventListener('DOMContentLoaded', webViewerLoad, true)
      }
      /***/ },
    /* 1 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.OptionKind = exports.AppOptions = void 0

      var _viewer_compatibility = __webpack_require__(2)

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var OptionKind = {
        VIEWER: 0x02,
        API: 0x04,
        WORKER: 0x08,
        PREFERENCE: 0x80
      }
      exports.OptionKind = OptionKind
      var defaultOptions = {
        cursorToolOnLoad: {
          value: 0,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        defaultUrl: {
          value: 'compressed.tracemonkey-pldi-09.pdf',
          kind: OptionKind.VIEWER
        },
        defaultZoomValue: {
          value: '',
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        disableHistory: {
          value: false,
          kind: OptionKind.VIEWER
        },
        disablePageLabels: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        enablePermissions: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        enablePrintAutoRotate: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        enableScripting: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        enableWebGL: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        externalLinkRel: {
          value: 'noopener noreferrer nofollow',
          kind: OptionKind.VIEWER
        },
        externalLinkTarget: {
          value: 0,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        historyUpdateUrl: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        ignoreDestinationZoom: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        imageResourcesPath: {
          value: './images/',
          kind: OptionKind.VIEWER
        },
        maxCanvasPixels: {
          value: 16777216,
          compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
          kind: OptionKind.VIEWER
        },
        pdfBugEnabled: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        printResolution: {
          value: 150,
          kind: OptionKind.VIEWER
        },
        renderer: {
          value: 'canvas',
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        renderInteractiveForms: {
          value: true,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        sidebarViewOnLoad: {
          value: -1,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        scrollModeOnLoad: {
          value: -1,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        spreadModeOnLoad: {
          value: -1,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        textLayerMode: {
          value: 1,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        useOnlyCssZoom: {
          value: false,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        viewerCssTheme: {
          value: 0,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        viewOnLoad: {
          value: 0,
          kind: OptionKind.VIEWER + OptionKind.PREFERENCE
        },
        cMapPacked: {
          value: true,
          kind: OptionKind.API
        },
        cMapUrl: {
          value: '../web/cmaps/',
          kind: OptionKind.API
        },
        disableAutoFetch: {
          value: false,
          kind: OptionKind.API + OptionKind.PREFERENCE
        },
        disableFontFace: {
          value: false,
          kind: OptionKind.API + OptionKind.PREFERENCE
        },
        disableRange: {
          value: false,
          kind: OptionKind.API + OptionKind.PREFERENCE
        },
        disableStream: {
          value: false,
          kind: OptionKind.API + OptionKind.PREFERENCE
        },
        docBaseUrl: {
          value: '',
          kind: OptionKind.API
        },
        fontExtraProperties: {
          value: false,
          kind: OptionKind.API
        },
        isEvalSupported: {
          value: true,
          kind: OptionKind.API
        },
        maxImageSize: {
          value: -1,
          kind: OptionKind.API
        },
        pdfBug: {
          value: false,
          kind: OptionKind.API
        },
        scriptingSrc: {
          value: '../build/pdf.sandbox.js',
          kind: OptionKind.VIEWER
        },
        verbosity: {
          value: 1,
          kind: OptionKind.API
        },
        workerPort: {
          value: null,
          kind: OptionKind.WORKER
        },
        workerSrc: {
          value: '../build/pdf.worker.js',
          kind: OptionKind.WORKER
        }
      }
      {
        defaultOptions.disablePreferences = {
          value: false,
          kind: OptionKind.VIEWER
        }
        defaultOptions.locale = {
          value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
          kind: OptionKind.VIEWER
        }
      }
      var userOptions = Object.create(null)

      var AppOptions = /* #__PURE__ */(function () {
        function AppOptions () {
          _classCallCheck(this, AppOptions)

          throw new Error('Cannot initialize AppOptions.')
        }

        _createClass(AppOptions, null, [{
          key: 'get',
          value: function get (name) {
            var userOption = userOptions[name]

            if (userOption !== undefined) {
              return userOption
            }

            var defaultOption = defaultOptions[name]

            if (defaultOption !== undefined) {
              return defaultOption.compatibility || defaultOption.value
            }

            return undefined
          }
        }, {
          key: 'getAll',
          value: function getAll () {
            var kind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null
            var options = Object.create(null)

            for (var name in defaultOptions) {
              var defaultOption = defaultOptions[name]

              if (kind) {
                if ((kind & defaultOption.kind) === 0) {
                  continue
                }

                if (kind === OptionKind.PREFERENCE) {
                  var value = defaultOption.value
                  var valueType = _typeof(value)

                  if (valueType === 'boolean' || valueType === 'string' || valueType === 'number' && Number.isInteger(value)) {
                    options[name] = value
                    continue
                  }

                  throw new Error('Invalid type for preference: '.concat(name))
                }
              }

              var userOption = userOptions[name]
              options[name] = userOption !== undefined ? userOption : defaultOption.compatibility || defaultOption.value
            }

            return options
          }
        }, {
          key: 'set',
          value: function set (name, value) {
            userOptions[name] = value
          }
        }, {
          key: 'setAll',
          value: function setAll (options) {
            for (var name in options) {
              userOptions[name] = options[name]
            }
          }
        }, {
          key: 'remove',
          value: function remove (name) {
            delete userOptions[name]
          }
        }])

        return AppOptions
      }())

      exports.AppOptions = AppOptions
      /***/ },
    /* 2 */
    /***/ (__unused_webpack_module, exports) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.viewerCompatibilityParams = void 0
      var compatibilityParams = Object.create(null)
      {
        var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || ''
        var platform = typeof navigator !== 'undefined' && navigator.platform || ''
        var maxTouchPoints = typeof navigator !== 'undefined' && navigator.maxTouchPoints || 1
        var isAndroid = /Android/.test(userAgent)
        var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === 'MacIntel' && maxTouchPoints > 1
        var isIOSChrome = /CriOS/.test(userAgent);

        (function checkOnBlobSupport () {
          if (isIOSChrome) {
            compatibilityParams.disableCreateObjectURL = true
          }
        })();

        (function checkCanvasSizeLimitation () {
          if (isIOS || isAndroid) {
            compatibilityParams.maxCanvasPixels = 5242880
          }
        })()
      }
      var viewerCompatibilityParams = Object.freeze(compatibilityParams)
      exports.viewerCompatibilityParams = viewerCompatibilityParams
      /***/ },
    /* 3 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _ui_utils = __webpack_require__(6)

      var _app_options = __webpack_require__(1)

      var _pdfjsLib = __webpack_require__(7)

      var _pdf_cursor_tools = __webpack_require__(8)

      var _pdf_rendering_queue = __webpack_require__(10)

      var _pdf_sidebar = __webpack_require__(11)

      var _overlay_manager = __webpack_require__(12)

      var _password_prompt = __webpack_require__(13)

      var _pdf_attachment_viewer = __webpack_require__(14)

      var _pdf_document_properties = __webpack_require__(16)

      var _pdf_find_bar = __webpack_require__(17)

      var _pdf_find_controller = __webpack_require__(18)

      var _pdf_history = __webpack_require__(20)

      var _pdf_layer_viewer = __webpack_require__(21)

      var _pdf_link_service = __webpack_require__(22)

      var _pdf_outline_viewer = __webpack_require__(23)

      var _pdf_presentation_mode = __webpack_require__(24)

      var _pdf_sidebar_resizer = __webpack_require__(25)

      var _pdf_thumbnail_viewer = __webpack_require__(26)

      var _pdf_viewer = __webpack_require__(28)

      var _secondary_toolbar = __webpack_require__(33)

      var _toolbar = __webpack_require__(35)

      var _viewer_compatibility = __webpack_require__(2)

      var _view_history = __webpack_require__(36)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function ownKeys (object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable }); keys.push.apply(keys, symbols) } return keys }

      function _objectSpread (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]) }) } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)) }) } } return target }

      function _defineProperty (obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }) } else { obj[key] = value } return obj }

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e2) { throw _e2 }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e3) { didErr = true; err = _e3 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var DEFAULT_SCALE_DELTA = 1.1
      var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000
      var FORCE_PAGES_LOADED_TIMEOUT = 10000
      var WHEEL_ZOOM_DISABLED_TIMEOUT = 1000
      var ENABLE_PERMISSIONS_CLASS = 'enablePermissions'
      var ViewOnLoad = {
        UNKNOWN: -1,
        PREVIOUS: 0,
        INITIAL: 1
      }
      var ViewerCssTheme = {
        AUTOMATIC: 0,
        LIGHT: 1,
        DARK: 2
      }
      var KNOWN_VERSIONS = ['1.0', '1.1', '1.2', '1.3', '1.4', '1.5', '1.6', '1.7', '1.8', '1.9', '2.0', '2.1', '2.2', '2.3']
      var KNOWN_GENERATORS = ['acrobat distiller', 'acrobat pdfwriter', 'adobe livecycle', 'adobe pdf library', 'adobe photoshop', 'ghostscript', 'tcpdf', 'cairo', 'dvipdfm', 'dvips', 'pdftex', 'pdfkit', 'itext', 'prince', 'quarkxpress', 'mac os x', 'microsoft', 'openoffice', 'oracle', 'luradocument', 'pdf-xchange', 'antenna house', 'aspose.cells', 'fpdf']

      var DefaultExternalServices = /* #__PURE__ */(function () {
        function DefaultExternalServices () {
          _classCallCheck(this, DefaultExternalServices)

          throw new Error('Cannot initialize DefaultExternalServices.')
        }

        _createClass(DefaultExternalServices, null, [{
          key: 'updateFindControlState',
          value: function updateFindControlState (data) {}
        }, {
          key: 'updateFindMatchesCount',
          value: function updateFindMatchesCount (data) {}
        }, {
          key: 'initPassiveLoading',
          value: function initPassiveLoading (callbacks) {}
        }, {
          key: 'fallback',
          value: function fallback (data, callback) {}
        }, {
          key: 'reportTelemetry',
          value: function reportTelemetry (data) {}
        }, {
          key: 'createDownloadManager',
          value: function createDownloadManager (options) {
            throw new Error('Not implemented: createDownloadManager')
          }
        }, {
          key: 'createPreferences',
          value: function createPreferences () {
            throw new Error('Not implemented: createPreferences')
          }
        }, {
          key: 'createL10n',
          value: function createL10n (options) {
            throw new Error('Not implemented: createL10n')
          }
        }, {
          key: 'supportsIntegratedFind',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, 'supportsIntegratedFind', false)
          }
        }, {
          key: 'supportsDocumentFonts',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, 'supportsDocumentFonts', true)
          }
        }, {
          key: 'supportedMouseWheelZoomModifierKeys',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, 'supportedMouseWheelZoomModifierKeys', {
              ctrlKey: true,
              metaKey: true
            })
          }
        }, {
          key: 'isInAutomation',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, 'isInAutomation', false)
          }
        }, {
          key: 'scripting',
          get: function get () {
            throw new Error('Not implemented: scripting')
          }
        }])

        return DefaultExternalServices
      }())

      exports.DefaultExternalServices = DefaultExternalServices
      var PDFViewerApplication = {
        initialBookmark: document.location.hash.substring(1),
        _initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
        fellback: false,
        appConfig: null,
        pdfDocument: null,
        pdfLoadingTask: null,
        printService: null,
        pdfViewer: null,
        pdfThumbnailViewer: null,
        pdfRenderingQueue: null,
        pdfPresentationMode: null,
        pdfDocumentProperties: null,
        pdfLinkService: null,
        pdfHistory: null,
        pdfSidebar: null,
        pdfSidebarResizer: null,
        pdfOutlineViewer: null,
        pdfAttachmentViewer: null,
        pdfLayerViewer: null,
        pdfCursorTools: null,
        store: null,
        downloadManager: null,
        overlayManager: null,
        preferences: null,
        toolbar: null,
        secondaryToolbar: null,
        eventBus: null,
        l10n: null,
        isInitialViewSet: false,
        downloadComplete: false,
        isViewerEmbedded: window.parent !== window,
        url: '',
        baseUrl: '',
        externalServices: DefaultExternalServices,
        _boundEvents: {},
        contentDispositionFilename: null,
        triggerDelayedFallback: null,
        _saveInProgress: false,
        _wheelUnusedTicks: 0,
        _idleCallbacks: new Set(),
        initialize: function initialize (appConfig) {
          var _this = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
            var appContainer
            return _regenerator.default.wrap(function _callee$ (_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                  case 0:
                    _this.preferences = _this.externalServices.createPreferences()
                    _this.appConfig = appConfig
                    _context.next = 4
                    return _this._readPreferences()

                  case 4:
                    _context.next = 6
                    return _this._parseHashParameters()

                  case 6:
                    _this._forceCssTheme()

                    _context.next = 9
                    return _this._initializeL10n()

                  case 9:
                    if (_this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                      _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP)
                    }

                    _context.next = 12
                    return _this._initializeViewerComponents()

                  case 12:
                    _this.bindEvents()

                    _this.bindWindowEvents()

                    appContainer = appConfig.appContainer || document.documentElement

                    _this.l10n.translate(appContainer).then(function () {
                      _this.eventBus.dispatch('localized', {
                        source: _this
                      })
                    })

                    _this._initializedCapability.resolve()

                  case 17:
                  case 'end':
                    return _context.stop()
                }
              }
            }, _callee)
          }))()
        },
        _readPreferences: function _readPreferences () {
          var _this2 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
            return _regenerator.default.wrap(function _callee2$ (_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                  case 0:
                    if (!_app_options.AppOptions.get('disablePreferences')) {
                      _context2.next = 2
                      break
                    }

                    return _context2.abrupt('return')

                  case 2:
                    _context2.prev = 2
                    _context2.t0 = _app_options.AppOptions
                    _context2.next = 6
                    return _this2.preferences.getAll()

                  case 6:
                    _context2.t1 = _context2.sent

                    _context2.t0.setAll.call(_context2.t0, _context2.t1)

                    _context2.next = 13
                    break

                  case 10:
                    _context2.prev = 10
                    _context2.t2 = _context2.catch(2)
                    console.error('_readPreferences: "'.concat(_context2.t2 === null || _context2.t2 === void 0 ? void 0 : _context2.t2.message, '".'))

                  case 13:
                  case 'end':
                    return _context2.stop()
                }
              }
            }, _callee2, null, [[2, 10]])
          }))()
        },
        _parseHashParameters: function _parseHashParameters () {
          var _this3 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 () {
            var hash, hashParams, waitOn, viewer, enabled
            return _regenerator.default.wrap(function _callee3$ (_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                  case 0:
                    if (_app_options.AppOptions.get('pdfBugEnabled')) {
                      _context3.next = 2
                      break
                    }

                    return _context3.abrupt('return', undefined)

                  case 2:
                    hash = document.location.hash.substring(1)

                    if (hash) {
                      _context3.next = 5
                      break
                    }

                    return _context3.abrupt('return', undefined)

                  case 5:
                    hashParams = (0, _ui_utils.parseQueryString)(hash), waitOn = []

                    if ('disableworker' in hashParams && hashParams.disableworker === 'true') {
                      waitOn.push(loadFakeWorker())
                    }

                    if ('disablerange' in hashParams) {
                      _app_options.AppOptions.set('disableRange', hashParams.disablerange === 'true')
                    }

                    if ('disablestream' in hashParams) {
                      _app_options.AppOptions.set('disableStream', hashParams.disablestream === 'true')
                    }

                    if ('disableautofetch' in hashParams) {
                      _app_options.AppOptions.set('disableAutoFetch', hashParams.disableautofetch === 'true')
                    }

                    if ('disablefontface' in hashParams) {
                      _app_options.AppOptions.set('disableFontFace', hashParams.disablefontface === 'true')
                    }

                    if ('disablehistory' in hashParams) {
                      _app_options.AppOptions.set('disableHistory', hashParams.disablehistory === 'true')
                    }

                    if ('webgl' in hashParams) {
                      _app_options.AppOptions.set('enableWebGL', hashParams.webgl === 'true')
                    }

                    if ('verbosity' in hashParams) {
                      _app_options.AppOptions.set('verbosity', hashParams.verbosity | 0)
                    }

                    if (!('textlayer' in hashParams)) {
                      _context3.next = 23
                      break
                    }

                    _context3.t0 = hashParams.textlayer
                    _context3.next = _context3.t0 === 'off' ? 18 : _context3.t0 === 'visible' ? 20 : _context3.t0 === 'shadow' ? 20 : _context3.t0 === 'hover' ? 20 : 23
                    break

                  case 18:
                    _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE)

                    return _context3.abrupt('break', 23)

                  case 20:
                    viewer = _this3.appConfig.viewerContainer
                    viewer.classList.add('textLayer-' + hashParams.textlayer)
                    return _context3.abrupt('break', 23)

                  case 23:
                    if ('pdfbug' in hashParams) {
                      _app_options.AppOptions.set('pdfBug', true)

                      _app_options.AppOptions.set('fontExtraProperties', true)

                      enabled = hashParams.pdfbug.split(',')
                      waitOn.push(loadAndEnablePDFBug(enabled))
                    }

                    if ('locale' in hashParams) {
                      _app_options.AppOptions.set('locale', hashParams.locale)
                    }

                    if (!(waitOn.length === 0)) {
                      _context3.next = 27
                      break
                    }

                    return _context3.abrupt('return', undefined)

                  case 27:
                    return _context3.abrupt('return', Promise.all(waitOn).catch(function (reason) {
                      console.error('_parseHashParameters: "'.concat(reason.message, '".'))
                    }))

                  case 28:
                  case 'end':
                    return _context3.stop()
                }
              }
            }, _callee3)
          }))()
        },
        _initializeL10n: function _initializeL10n () {
          var _this4 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 () {
            var dir
            return _regenerator.default.wrap(function _callee4$ (_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                  case 0:
                    _this4.l10n = _this4.externalServices.createL10n({
                      locale: _app_options.AppOptions.get('locale')
                    })
                    _context4.next = 3
                    return _this4.l10n.getDirection()

                  case 3:
                    dir = _context4.sent
                    document.getElementsByTagName('html')[0].dir = dir

                  case 5:
                  case 'end':
                    return _context4.stop()
                }
              }
            }, _callee4)
          }))()
        },
        _forceCssTheme: function _forceCssTheme () {
          var cssTheme = _app_options.AppOptions.get('viewerCssTheme')

          if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) {
            return
          }

          try {
            var styleSheet = document.styleSheets[0]
            var cssRules = (styleSheet === null || styleSheet === void 0 ? void 0 : styleSheet.cssRules) || []

            for (var i = 0, ii = cssRules.length; i < ii; i++) {
              var _rule$media

              var rule = cssRules[i]

              if (rule instanceof CSSMediaRule && ((_rule$media = rule.media) === null || _rule$media === void 0 ? void 0 : _rule$media[0]) === '(prefers-color-scheme: dark)') {
                if (cssTheme === ViewerCssTheme.LIGHT) {
                  styleSheet.deleteRule(i)
                  return
                }

                var darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText)

                if (darkRules !== null && darkRules !== void 0 && darkRules[1]) {
                  styleSheet.deleteRule(i)
                  styleSheet.insertRule(darkRules[1], i)
                }

                return
              }
            }
          } catch (reason) {
            console.error('_forceCssTheme: "'.concat(reason === null || reason === void 0 ? void 0 : reason.message, '".'))
          }
        },
        _initializeViewerComponents: function _initializeViewerComponents () {
          var _this5 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee5 () {
            var appConfig, eventBus, pdfRenderingQueue, pdfLinkService, downloadManager, findController, container, viewer
            return _regenerator.default.wrap(function _callee5$ (_context5) {
              while (1) {
                switch (_context5.prev = _context5.next) {
                  case 0:
                    appConfig = _this5.appConfig
                    eventBus = appConfig.eventBus || new _ui_utils.EventBus({
                      isInAutomation: _this5.externalServices.isInAutomation
                    })
                    _this5.eventBus = eventBus
                    _this5.overlayManager = new _overlay_manager.OverlayManager()
                    pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue()
                    pdfRenderingQueue.onIdle = _this5.cleanup.bind(_this5)
                    _this5.pdfRenderingQueue = pdfRenderingQueue
                    pdfLinkService = new _pdf_link_service.PDFLinkService({
                      eventBus: eventBus,
                      externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                      externalLinkRel: _app_options.AppOptions.get('externalLinkRel'),
                      ignoreDestinationZoom: _app_options.AppOptions.get('ignoreDestinationZoom')
                    })
                    _this5.pdfLinkService = pdfLinkService
                    downloadManager = _this5.externalServices.createDownloadManager()
                    _this5.downloadManager = downloadManager
                    findController = new _pdf_find_controller.PDFFindController({
                      linkService: pdfLinkService,
                      eventBus: eventBus
                    })
                    _this5.findController = findController
                    container = appConfig.mainContainer
                    viewer = appConfig.viewerContainer
                    _this5.pdfViewer = new _pdf_viewer.PDFViewer({
                      container: container,
                      viewer: viewer,
                      eventBus: eventBus,
                      renderingQueue: pdfRenderingQueue,
                      linkService: pdfLinkService,
                      downloadManager: downloadManager,
                      findController: findController,
                      renderer: _app_options.AppOptions.get('renderer'),
                      enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                      l10n: _this5.l10n,
                      textLayerMode: _app_options.AppOptions.get('textLayerMode'),
                      imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'),
                      renderInteractiveForms: _app_options.AppOptions.get('renderInteractiveForms'),
                      enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'),
                      useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'),
                      maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels'),
                      enableScripting: _app_options.AppOptions.get('enableScripting')
                    })
                    pdfRenderingQueue.setViewer(_this5.pdfViewer)
                    pdfLinkService.setViewer(_this5.pdfViewer)
                    _this5.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                      container: appConfig.sidebar.thumbnailView,
                      eventBus: eventBus,
                      renderingQueue: pdfRenderingQueue,
                      linkService: pdfLinkService,
                      l10n: _this5.l10n
                    })
                    pdfRenderingQueue.setThumbnailViewer(_this5.pdfThumbnailViewer)
                    _this5.pdfHistory = new _pdf_history.PDFHistory({
                      linkService: pdfLinkService,
                      eventBus: eventBus
                    })
                    pdfLinkService.setHistory(_this5.pdfHistory)

                    if (!_this5.supportsIntegratedFind) {
                      _this5.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, _this5.l10n)
                    }

                    _this5.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, _this5.overlayManager, eventBus, _this5.l10n)
                    _this5.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                      container: container,
                      eventBus: eventBus,
                      cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad')
                    })
                    _this5.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, _this5.l10n)
                    _this5.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus)

                    if (_this5.supportsFullscreen) {
                      _this5.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                        container: container,
                        pdfViewer: _this5.pdfViewer,
                        eventBus: eventBus,
                        contextMenuItems: appConfig.fullscreen
                      })
                    }

                    _this5.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, _this5.overlayManager, _this5.l10n)
                    _this5.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                      container: appConfig.sidebar.outlineView,
                      eventBus: eventBus,
                      linkService: pdfLinkService
                    })
                    _this5.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                      container: appConfig.sidebar.attachmentsView,
                      eventBus: eventBus,
                      downloadManager: downloadManager
                    })
                    _this5.pdfLayerViewer = new _pdf_layer_viewer.PDFLayerViewer({
                      container: appConfig.sidebar.layersView,
                      eventBus: eventBus,
                      l10n: _this5.l10n
                    })
                    _this5.pdfSidebar = new _pdf_sidebar.PDFSidebar({
                      elements: appConfig.sidebar,
                      pdfViewer: _this5.pdfViewer,
                      pdfThumbnailViewer: _this5.pdfThumbnailViewer,
                      eventBus: eventBus,
                      l10n: _this5.l10n
                    })
                    _this5.pdfSidebar.onToggled = _this5.forceRendering.bind(_this5)
                    _this5.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, _this5.l10n)

                  case 35:
                  case 'end':
                    return _context5.stop()
                }
              }
            }, _callee5)
          }))()
        },
        run: function run (config) {
          this.initialize(config).then(webViewerInitialized)
        },

        get initialized () {
          return this._initializedCapability.settled
        },

        get initializedPromise () {
          return this._initializedCapability.promise
        },

        zoomIn: function zoomIn (ticks) {
          if (this.pdfViewer.isInPresentationMode) {
            return
          }

          var newScale = this.pdfViewer.currentScale

          do {
            newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2)
            newScale = Math.ceil(newScale * 10) / 10
            newScale = Math.min(_ui_utils.MAX_SCALE, newScale)
          } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE)

          this.pdfViewer.currentScaleValue = newScale
        },
        zoomOut: function zoomOut (ticks) {
          if (this.pdfViewer.isInPresentationMode) {
            return
          }

          var newScale = this.pdfViewer.currentScale

          do {
            newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2)
            newScale = Math.floor(newScale * 10) / 10
            newScale = Math.max(_ui_utils.MIN_SCALE, newScale)
          } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE)

          this.pdfViewer.currentScaleValue = newScale
        },
        zoomReset: function zoomReset () {
          if (this.pdfViewer.isInPresentationMode) {
            return
          }

          this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE
        },

        get pagesCount () {
          return this.pdfDocument ? this.pdfDocument.numPages : 0
        },

        get page () {
          return this.pdfViewer.currentPageNumber
        },

        set page (val) {
          this.pdfViewer.currentPageNumber = val
        },

        get supportsPrinting () {
          return PDFPrintServiceFactory.instance.supportsPrinting
        },

        get supportsFullscreen () {
          var support
          var doc = document.documentElement
          support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen)

          if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false) {
            support = false
          }

          return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', support)
        },

        get supportsIntegratedFind () {
          return this.externalServices.supportsIntegratedFind
        },

        get supportsDocumentFonts () {
          return this.externalServices.supportsDocumentFonts
        },

        get loadingBar () {
          var bar = new _ui_utils.ProgressBar('#loadingBar')
          return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar)
        },

        get supportedMouseWheelZoomModifierKeys () {
          return this.externalServices.supportedMouseWheelZoomModifierKeys
        },

        initPassiveLoading: function initPassiveLoading () {
          throw new Error('Not implemented: initPassiveLoading')
        },
        setTitleUsingUrl: function setTitleUsingUrl () {
          var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ''
          this.url = url
          this.baseUrl = url.split('#')[0]
          var title = (0, _ui_utils.getPDFFileNameFromURL)(url, '')

          if (!title) {
            try {
              title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url
            } catch (ex) {
              title = url
            }
          }

          this.setTitle(title)
        },
        setTitle: function setTitle (title) {
          if (this.isViewerEmbedded) {
            return
          }

          document.title = title
        },
        close: function close () {
          var _this6 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee6 () {
            var errorWrapper, promise, _iterator, _step, callback

            return _regenerator.default.wrap(function _callee6$ (_context6) {
              while (1) {
                switch (_context6.prev = _context6.next) {
                  case 0:
                    errorWrapper = _this6.appConfig.errorWrapper.container
                    errorWrapper.setAttribute('hidden', 'true')

                    if (_this6.pdfLoadingTask) {
                      _context6.next = 4
                      break
                    }

                    return _context6.abrupt('return', undefined)

                  case 4:
                    promise = _this6.pdfLoadingTask.destroy()
                    _this6.pdfLoadingTask = null

                    if (_this6.pdfDocument) {
                      _this6.pdfDocument = null

                      _this6.pdfThumbnailViewer.setDocument(null)

                      _this6.pdfViewer.setDocument(null)

                      _this6.pdfLinkService.setDocument(null)

                      _this6.pdfDocumentProperties.setDocument(null)
                    }

                    webViewerResetPermissions()
                    _this6.store = null
                    _this6.isInitialViewSet = false
                    _this6.downloadComplete = false
                    _this6.url = ''
                    _this6.baseUrl = ''
                    _this6.contentDispositionFilename = null
                    _this6.triggerDelayedFallback = null
                    _this6._saveInProgress = false
                    _iterator = _createForOfIteratorHelper(_this6._idleCallbacks)

                    try {
                      for (_iterator.s(); !(_step = _iterator.n()).done;) {
                        callback = _step.value
                        window.cancelIdleCallback(callback)
                      }
                    } catch (err) {
                      _iterator.e(err)
                    } finally {
                      _iterator.f()
                    }

                    _this6._idleCallbacks.clear()

                    _this6.pdfSidebar.reset()

                    _this6.pdfOutlineViewer.reset()

                    _this6.pdfAttachmentViewer.reset()

                    _this6.pdfLayerViewer.reset()

                    if (_this6.pdfHistory) {
                      _this6.pdfHistory.reset()
                    }

                    if (_this6.findBar) {
                      _this6.findBar.reset()
                    }

                    _this6.toolbar.reset()

                    _this6.secondaryToolbar.reset()

                    if (typeof PDFBug !== 'undefined') {
                      PDFBug.cleanup()
                    }

                    return _context6.abrupt('return', promise)

                  case 29:
                  case 'end':
                    return _context6.stop()
                }
              }
            }, _callee6)
          }))()
        },
        open: function open (file, args) {
          var _this7 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee7 () {
            var workerParameters, key, parameters, apiParameters, _key, value, _key2, loadingTask

            return _regenerator.default.wrap(function _callee7$ (_context7) {
              while (1) {
                switch (_context7.prev = _context7.next) {
                  case 0:
                    if (!_this7.pdfLoadingTask) {
                      _context7.next = 3
                      break
                    }

                    _context7.next = 3
                    return _this7.close()

                  case 3:
                    workerParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER)

                    for (key in workerParameters) {
                      _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key]
                    }

                    parameters = Object.create(null)

                    if (typeof file === 'string') {
                      _this7.setTitleUsingUrl(file)

                      parameters.url = file
                    } else if (file && 'byteLength' in file) {
                      parameters.data = file
                    } else if (file.url && file.originalUrl) {
                      _this7.setTitleUsingUrl(file.originalUrl)

                      parameters.url = file.url
                    }

                    apiParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.API)

                    for (_key in apiParameters) {
                      value = apiParameters[_key]

                      if (_key === 'docBaseUrl' && !value) {}

                      parameters[_key] = value
                    }

                    if (args) {
                      for (_key2 in args) {
                        parameters[_key2] = args[_key2]
                      }
                    }

                    loadingTask = (0, _pdfjsLib.getDocument)(parameters)
                    _this7.pdfLoadingTask = loadingTask

                    loadingTask.onPassword = function (updateCallback, reason) {
                      _this7.pdfLinkService.externalLinkEnabled = false

                      _this7.passwordPrompt.setUpdateCallback(updateCallback, reason)

                      _this7.passwordPrompt.open()
                    }

                    loadingTask.onProgress = function (_ref) {
                      var loaded = _ref.loaded
                      var total = _ref.total

                      _this7.progress(loaded / total)
                    }

                    loadingTask.onUnsupportedFeature = _this7.fallback.bind(_this7)
                    return _context7.abrupt('return', loadingTask.promise.then(function (pdfDocument) {
                      _this7.load(pdfDocument)
                    }, function (exception) {
                      if (loadingTask !== _this7.pdfLoadingTask) {
                        return undefined
                      }

                      var message = exception === null || exception === void 0 ? void 0 : exception.message
                      var loadingErrorMessage

                      if (exception instanceof _pdfjsLib.InvalidPDFException) {
                        loadingErrorMessage = _this7.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.')
                      } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                        loadingErrorMessage = _this7.l10n.get('missing_file_error', null, 'Missing PDF file.')
                      } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                        loadingErrorMessage = _this7.l10n.get('unexpected_response_error', null, 'Unexpected server response.')
                      } else {
                        loadingErrorMessage = _this7.l10n.get('loading_error', null, 'An error occurred while loading the PDF.')
                      }

                      return loadingErrorMessage.then(function (msg) {
                        _this7.error(msg, {
                          message: message
                        })

                        throw exception
                      })
                    }))

                  case 16:
                  case 'end':
                    return _context7.stop()
                }
              }
            }, _callee7)
          }))()
        },
        download: function download () {
          var _this8 = this

          var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}
          var _ref2$sourceEventType = _ref2.sourceEventType
          var sourceEventType = _ref2$sourceEventType === void 0 ? 'download' : _ref2$sourceEventType

          function downloadByUrl () {
            downloadManager.downloadUrl(url, filename)
          }

          var url = this.baseUrl
          var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url)
          var downloadManager = this.downloadManager

          downloadManager.onerror = function (err) {
            _this8.error('PDF failed to download: '.concat(err))
          }

          if (!this.pdfDocument || !this.downloadComplete) {
            downloadByUrl()
            return
          }

          this.pdfDocument.getData().then(function (data) {
            var blob = new Blob([data], {
              type: 'application/pdf'
            })
            downloadManager.download(blob, url, filename, sourceEventType)
          }).catch(downloadByUrl)
        },
        save: function save () {
          var _this9 = this

          var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}
          var _ref3$sourceEventType = _ref3.sourceEventType
          var sourceEventType = _ref3$sourceEventType === void 0 ? 'download' : _ref3$sourceEventType

          if (this._saveInProgress) {
            return
          }

          var url = this.baseUrl
          var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url)
          var downloadManager = this.downloadManager

          downloadManager.onerror = function (err) {
            _this9.error('PDF failed to be saved: '.concat(err))
          }

          if (!this.pdfDocument || !this.downloadComplete) {
            this.download({
              sourceEventType: sourceEventType
            })
            return
          }

          this._saveInProgress = true
          this.pdfDocument.saveDocument(this.pdfDocument.annotationStorage).then(function (data) {
            var blob = new Blob([data], {
              type: 'application/pdf'
            })
            downloadManager.download(blob, url, filename, sourceEventType)
          }).catch(function () {
            _this9.download({
              sourceEventType: sourceEventType
            })
          }).finally(function () {
            _this9._saveInProgress = false
          })
        },
        _delayedFallback: function _delayedFallback (featureId) {
          var _this10 = this

          this.externalServices.reportTelemetry({
            type: 'unsupportedFeature',
            featureId: featureId
          })

          if (!this.triggerDelayedFallback) {
            this.triggerDelayedFallback = function () {
              _this10.fallback(featureId)

              _this10.triggerDelayedFallback = null
            }
          }
        },
        fallback: function fallback (featureId) {
          this.externalServices.reportTelemetry({
            type: 'unsupportedFeature',
            featureId: featureId
          })

          if (this.fellback) {
            return
          }

          this.fellback = true
          this.externalServices.fallback({
            featureId: featureId,
            url: this.baseUrl
          }, function response (download) {
            if (!download) {
              return
            }

            PDFViewerApplication.download({
              sourceEventType: 'download'
            })
          })
        },
        error: function error (message, moreInfo) {
          var moreInfoText = [this.l10n.get('error_version_info', {
            version: _pdfjsLib.version || '?',
            build: _pdfjsLib.build || '?'
          }, 'PDF.js v{{version}} (build: {{build}})')]

          if (moreInfo) {
            moreInfoText.push(this.l10n.get('error_message', {
              message: moreInfo.message
            }, 'Message: {{message}}'))

            if (moreInfo.stack) {
              moreInfoText.push(this.l10n.get('error_stack', {
                stack: moreInfo.stack
              }, 'Stack: {{stack}}'))
            } else {
              if (moreInfo.filename) {
                moreInfoText.push(this.l10n.get('error_file', {
                  file: moreInfo.filename
                }, 'File: {{file}}'))
              }

              if (moreInfo.lineNumber) {
                moreInfoText.push(this.l10n.get('error_line', {
                  line: moreInfo.lineNumber
                }, 'Line: {{line}}'))
              }
            }
          }

          var errorWrapperConfig = this.appConfig.errorWrapper
          var errorWrapper = errorWrapperConfig.container
          errorWrapper.removeAttribute('hidden')
          var errorMessage = errorWrapperConfig.errorMessage
          errorMessage.textContent = message
          var closeButton = errorWrapperConfig.closeButton

          closeButton.onclick = function () {
            errorWrapper.setAttribute('hidden', 'true')
          }

          var errorMoreInfo = errorWrapperConfig.errorMoreInfo
          var moreInfoButton = errorWrapperConfig.moreInfoButton
          var lessInfoButton = errorWrapperConfig.lessInfoButton

          moreInfoButton.onclick = function () {
            errorMoreInfo.removeAttribute('hidden')
            moreInfoButton.setAttribute('hidden', 'true')
            lessInfoButton.removeAttribute('hidden')
            errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px'
          }

          lessInfoButton.onclick = function () {
            errorMoreInfo.setAttribute('hidden', 'true')
            moreInfoButton.removeAttribute('hidden')
            lessInfoButton.setAttribute('hidden', 'true')
          }

          moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler
          lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler
          closeButton.oncontextmenu = _ui_utils.noContextMenuHandler
          moreInfoButton.removeAttribute('hidden')
          lessInfoButton.setAttribute('hidden', 'true')
          Promise.all(moreInfoText).then(function (parts) {
            errorMoreInfo.value = parts.join('\n')
          })
        },
        progress: function progress (level) {
          var _this11 = this

          if (this.downloadComplete) {
            return
          }

          var percent = Math.round(level * 100)

          if (percent > this.loadingBar.percent || isNaN(percent)) {
            this.loadingBar.percent = percent
            var disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams.disableAutoFetch : _app_options.AppOptions.get('disableAutoFetch')

            if (disableAutoFetch && percent) {
              if (this.disableAutoFetchLoadingBarTimeout) {
                clearTimeout(this.disableAutoFetchLoadingBarTimeout)
                this.disableAutoFetchLoadingBarTimeout = null
              }

              this.loadingBar.show()
              this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
                _this11.loadingBar.hide()

                _this11.disableAutoFetchLoadingBarTimeout = null
              }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT)
            }
          }
        },
        load: function load (pdfDocument) {
          var _this12 = this

          this.pdfDocument = pdfDocument
          pdfDocument.getDownloadInfo().then(function () {
            _this12.downloadComplete = true

            _this12.loadingBar.hide()

            firstPagePromise.then(function () {
              _this12.eventBus.dispatch('documentloaded', {
                source: _this12
              })
            })
          })
          var pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {})
          var pageModePromise = pdfDocument.getPageMode().catch(function () {})
          var openActionPromise = pdfDocument.getOpenAction().catch(function () {})
          this.toolbar.setPagesCount(pdfDocument.numPages, false)
          this.secondaryToolbar.setPagesCount(pdfDocument.numPages)
          var baseDocumentUrl
          baseDocumentUrl = null
          this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl)
          this.pdfDocumentProperties.setDocument(pdfDocument, this.url)
          var annotationStorage = pdfDocument.annotationStorage

          annotationStorage.onSetModified = function () {
            window.addEventListener('beforeunload', beforeUnload)
          }

          annotationStorage.onResetModified = function () {
            window.removeEventListener('beforeunload', beforeUnload)
          }

          var pdfViewer = this.pdfViewer
          pdfViewer.setDocument(pdfDocument)
          var firstPagePromise = pdfViewer.firstPagePromise
          var onePageRendered = pdfViewer.onePageRendered
          var pagesPromise = pdfViewer.pagesPromise
          var pdfThumbnailViewer = this.pdfThumbnailViewer
          pdfThumbnailViewer.setDocument(pdfDocument)
          var storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprint)).getMultiple({
            page: null,
            zoom: _ui_utils.DEFAULT_SCALE_VALUE,
            scrollLeft: '0',
            scrollTop: '0',
            rotation: null,
            sidebarView: _pdf_sidebar.SidebarView.UNKNOWN,
            scrollMode: _ui_utils.ScrollMode.UNKNOWN,
            spreadMode: _ui_utils.SpreadMode.UNKNOWN
          }).catch(function () {
            return Object.create(null)
          })
          firstPagePromise.then(function (pdfPage) {
            _this12.loadingBar.setWidth(_this12.appConfig.viewerContainer)

            Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(/* #__PURE__ */function () {
              var _ref5 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee8 (_ref4) {
                var _ref6, timeStamp, stored, pageLayout, pageMode, openAction, viewOnLoad, initialBookmark, zoom, hash, rotation, sidebarView, scrollMode, spreadMode

                return _regenerator.default.wrap(function _callee8$ (_context8) {
                  while (1) {
                    switch (_context8.prev = _context8.next) {
                      case 0:
                        _ref6 = _slicedToArray(_ref4, 5), timeStamp = _ref6[0], stored = _ref6[1], pageLayout = _ref6[2], pageMode = _ref6[3], openAction = _ref6[4]
                        viewOnLoad = _app_options.AppOptions.get('viewOnLoad')

                        _this12._initializePdfHistory({
                          fingerprint: pdfDocument.fingerprint,
                          viewOnLoad: viewOnLoad,
                          initialDest: openAction && openAction.dest
                        })

                        initialBookmark = _this12.initialBookmark
                        zoom = _app_options.AppOptions.get('defaultZoomValue')
                        hash = zoom ? 'zoom='.concat(zoom) : null
                        rotation = null
                        sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad')
                        scrollMode = _app_options.AppOptions.get('scrollModeOnLoad')
                        spreadMode = _app_options.AppOptions.get('spreadModeOnLoad')

                        if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
                          hash = 'page='.concat(stored.page, '&zoom=').concat(zoom || stored.zoom, ',') + ''.concat(stored.scrollLeft, ',').concat(stored.scrollTop)
                          rotation = parseInt(stored.rotation, 10)

                          if (sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                            sidebarView = stored.sidebarView | 0
                          }

                          if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
                            scrollMode = stored.scrollMode | 0
                          }

                          if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
                            spreadMode = stored.spreadMode | 0
                          }
                        }

                        if (pageMode && sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                          sidebarView = apiPageModeToSidebarView(pageMode)
                        }

                        if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
                          spreadMode = apiPageLayoutToSpreadMode(pageLayout)
                        }

                        _this12.setInitialView(hash, {
                          rotation: rotation,
                          sidebarView: sidebarView,
                          scrollMode: scrollMode,
                          spreadMode: spreadMode
                        })

                        _this12.eventBus.dispatch('documentinit', {
                          source: _this12
                        })

                        if (!_this12.isViewerEmbedded) {
                          pdfViewer.focus()
                        }

                        _this12._initializePermissions(pdfDocument)

                        _context8.next = 19
                        return Promise.race([pagesPromise, new Promise(function (resolve) {
                          setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT)
                        })])

                      case 19:
                        if (!(!initialBookmark && !hash)) {
                          _context8.next = 21
                          break
                        }

                        return _context8.abrupt('return')

                      case 21:
                        if (!pdfViewer.hasEqualPageSizes) {
                          _context8.next = 23
                          break
                        }

                        return _context8.abrupt('return')

                      case 23:
                        _this12.initialBookmark = initialBookmark
                        pdfViewer.currentScaleValue = pdfViewer.currentScaleValue

                        _this12.setInitialView(hash)

                      case 26:
                      case 'end':
                        return _context8.stop()
                    }
                  }
                }, _callee8)
              }))

              return function (_x) {
                return _ref5.apply(this, arguments)
              }
            }()).catch(function () {
              _this12.setInitialView()
            }).then(function () {
              pdfViewer.update()
            })
          })
          pagesPromise.then(function () {
            _this12._initializeAutoPrint(pdfDocument, openActionPromise)
          })
          onePageRendered.then(function () {
            pdfDocument.getOutline().then(function (outline) {
              _this12.pdfOutlineViewer.render({
                outline: outline
              })
            })
            pdfDocument.getAttachments().then(function (attachments) {
              _this12.pdfAttachmentViewer.render({
                attachments: attachments
              })
            })
            pdfViewer.optionalContentConfigPromise.then(function (optionalContentConfig) {
              _this12.pdfLayerViewer.render({
                optionalContentConfig: optionalContentConfig,
                pdfDocument: pdfDocument
              })
            })

            if ('requestIdleCallback' in window) {
              var callback = window.requestIdleCallback(function () {
                _this12._collectTelemetry(pdfDocument)

                _this12._idleCallbacks.delete(callback)
              }, {
                timeout: 1000
              })

              _this12._idleCallbacks.add(callback)
            }

            _this12._initializeJavaScript(pdfDocument)
          })

          this._initializePageLabels(pdfDocument)

          this._initializeMetadata(pdfDocument)
        },
        _initializeJavaScript: function _initializeJavaScript (pdfDocument) {
          var _this13 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee9 () {
            var objects, calculationOrder, scripting, _yield$pdfDocument$ge, info, metadata, contentDispositionFilename, dispatchEventName, _yield$pdfDocument$ge2, length, filename

            return _regenerator.default.wrap(function _callee9$ (_context9) {
              while (1) {
                switch (_context9.prev = _context9.next) {
                  case 0:
                    _context9.next = 2
                    return pdfDocument.getFieldObjects()

                  case 2:
                    objects = _context9.sent

                    if (!(pdfDocument !== _this13.pdfDocument)) {
                      _context9.next = 5
                      break
                    }

                    return _context9.abrupt('return')

                  case 5:
                    if (!(!objects || !_app_options.AppOptions.get('enableScripting'))) {
                      _context9.next = 7
                      break
                    }

                    return _context9.abrupt('return')

                  case 7:
                    _context9.next = 9
                    return pdfDocument.getCalculationOrderIds()

                  case 9:
                    calculationOrder = _context9.sent
                    scripting = _this13.externalServices.scripting
                    _context9.next = 13
                    return pdfDocument.getMetadata()

                  case 13:
                    _yield$pdfDocument$ge = _context9.sent
                    info = _yield$pdfDocument$ge.info
                    metadata = _yield$pdfDocument$ge.metadata
                    contentDispositionFilename = _yield$pdfDocument$ge.contentDispositionFilename
                    window.addEventListener('updateFromSandbox', function (event) {
                      var detail = event.detail
                      var id = detail.id

                      if (!id) {
                        switch (detail.command) {
                          case 'alert':
                            window.alert(detail.value)
                            break

                          case 'clear':
                            console.clear()
                            break

                          case 'error':
                            console.error(detail.value)
                            break

                          case 'layout':
                            _this13.pdfViewer.spreadMode = apiPageLayoutToSpreadMode(detail.value)
                            return

                          case 'page-num':
                            _this13.pdfViewer.currentPageNumber = detail.value + 1
                            return

                          case 'print':
                            _this13.triggerPrinting()

                            return

                          case 'println':
                            console.log(detail.value)
                            break

                          case 'zoom':
                            if (typeof detail.value === 'string') {
                              _this13.pdfViewer.currentScaleValue = detail.value
                            } else {
                              _this13.pdfViewer.currentScale = detail.value
                            }

                            return
                        }

                        return
                      }

                      var element = document.getElementById(id)

                      if (element) {
                        element.dispatchEvent(new CustomEvent('updateFromSandbox', {
                          detail: detail
                        }))
                      } else {
                        var value = detail.value

                        if (value !== undefined && value !== null) {
                          pdfDocument.annotationStorage.setValue(id, detail.value)
                        }
                      }
                    })
                    window.addEventListener('dispatchEventInSandbox', function (event) {
                      scripting.dispatchEventInSandbox(event.detail)
                    })
                    dispatchEventName = (0, _ui_utils.generateRandomStringForSandbox)(objects)
                    _context9.next = 22
                    return pdfDocument.getDownloadInfo()

                  case 22:
                    _yield$pdfDocument$ge2 = _context9.sent
                    length = _yield$pdfDocument$ge2.length
                    filename = contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this13.url)
                    scripting.createSandbox({
                      objects: objects,
                      dispatchEventName: dispatchEventName,
                      calculationOrder: calculationOrder,
                      appInfo: {
                        platform: navigator.platform,
                        language: navigator.language
                      },
                      docInfo: _objectSpread(_objectSpread({}, info), {}, {
                        baseURL: _this13.baseUrl,
                        filesize: length,
                        filename: filename,
                        metadata: metadata,
                        numPages: pdfDocument.numPages,
                        URL: _this13.url
                      })
                    })

                  case 26:
                  case 'end':
                    return _context9.stop()
                }
              }
            }, _callee9)
          }))()
        },
        _collectTelemetry: function _collectTelemetry (pdfDocument) {
          var _this14 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee10 () {
            var markInfo, tagged
            return _regenerator.default.wrap(function _callee10$ (_context10) {
              while (1) {
                switch (_context10.prev = _context10.next) {
                  case 0:
                    _context10.next = 2
                    return _this14.pdfDocument.getMarkInfo()

                  case 2:
                    markInfo = _context10.sent

                    if (!(pdfDocument !== _this14.pdfDocument)) {
                      _context10.next = 5
                      break
                    }

                    return _context10.abrupt('return')

                  case 5:
                    tagged = (markInfo === null || markInfo === void 0 ? void 0 : markInfo.Marked) || false

                    _this14.externalServices.reportTelemetry({
                      type: 'tagged',
                      tagged: tagged
                    })

                  case 7:
                  case 'end':
                    return _context10.stop()
                }
              }
            }, _callee10)
          }))()
        },
        _initializeAutoPrint: function _initializeAutoPrint (pdfDocument, openActionPromise) {
          var _this15 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee11 () {
            var _yield$Promise$all, _yield$Promise$all2, openAction, javaScript, triggerAutoPrint, _iterator2, _step2, js

            return _regenerator.default.wrap(function _callee11$ (_context11) {
              while (1) {
                switch (_context11.prev = _context11.next) {
                  case 0:
                    _context11.next = 2
                    return Promise.all([openActionPromise, pdfDocument.getJavaScript()])

                  case 2:
                    _yield$Promise$all = _context11.sent
                    _yield$Promise$all2 = _slicedToArray(_yield$Promise$all, 2)
                    openAction = _yield$Promise$all2[0]
                    javaScript = _yield$Promise$all2[1]

                    if (!(pdfDocument !== _this15.pdfDocument)) {
                      _context11.next = 8
                      break
                    }

                    return _context11.abrupt('return')

                  case 8:
                    triggerAutoPrint = false

                    if (openAction && openAction.action === 'Print') {
                      triggerAutoPrint = true
                    }

                    if (!javaScript) {
                      _context11.next = 31
                      break
                    }

                    javaScript.some(function (js) {
                      if (!js) {
                        return false
                      }

                      console.warn('Warning: JavaScript is not supported')

                      _this15._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript)

                      return true
                    })

                    if (triggerAutoPrint) {
                      _context11.next = 31
                      break
                    }

                    _iterator2 = _createForOfIteratorHelper(javaScript)
                    _context11.prev = 14

                    _iterator2.s()

                  case 16:
                    if ((_step2 = _iterator2.n()).done) {
                      _context11.next = 23
                      break
                    }

                    js = _step2.value

                    if (!(js && _ui_utils.AutoPrintRegExp.test(js))) {
                      _context11.next = 21
                      break
                    }

                    triggerAutoPrint = true
                    return _context11.abrupt('break', 23)

                  case 21:
                    _context11.next = 16
                    break

                  case 23:
                    _context11.next = 28
                    break

                  case 25:
                    _context11.prev = 25
                    _context11.t0 = _context11.catch(14)

                    _iterator2.e(_context11.t0)

                  case 28:
                    _context11.prev = 28

                    _iterator2.f()

                    return _context11.finish(28)

                  case 31:
                    if (triggerAutoPrint) {
                      setTimeout(function () {
                        _this15.triggerPrinting()
                      })
                    }

                  case 32:
                  case 'end':
                    return _context11.stop()
                }
              }
            }, _callee11, null, [[14, 25, 28, 31]])
          }))()
        },
        _initializeMetadata: function _initializeMetadata (pdfDocument) {
          var _this16 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee12 () {
            var _yield$pdfDocument$ge3, info, metadata, contentDispositionFilename, pdfTitle, infoTitle, metadataTitle, versionId, generatorId, producer, formType

            return _regenerator.default.wrap(function _callee12$ (_context12) {
              while (1) {
                switch (_context12.prev = _context12.next) {
                  case 0:
                    _context12.next = 2
                    return pdfDocument.getMetadata()

                  case 2:
                    _yield$pdfDocument$ge3 = _context12.sent
                    info = _yield$pdfDocument$ge3.info
                    metadata = _yield$pdfDocument$ge3.metadata
                    contentDispositionFilename = _yield$pdfDocument$ge3.contentDispositionFilename

                    if (!(pdfDocument !== _this16.pdfDocument)) {
                      _context12.next = 8
                      break
                    }

                    return _context12.abrupt('return')

                  case 8:
                    _this16.documentInfo = info
                    _this16.metadata = metadata
                    _this16.contentDispositionFilename = contentDispositionFilename
                    console.log('PDF '.concat(pdfDocument.fingerprint, ' [').concat(info.PDFFormatVersion, ' ') + ''.concat((info.Producer || '-').trim(), ' / ').concat((info.Creator || '-').trim(), '] ') + '(PDF.js: '.concat(_pdfjsLib.version || '-') + ''.concat(_this16.pdfViewer.enableWebGL ? ' [WebGL]' : '', ')'))
                    infoTitle = info && info.Title

                    if (infoTitle) {
                      pdfTitle = infoTitle
                    }

                    metadataTitle = metadata && metadata.get('dc:title')

                    if (metadataTitle) {
                      if (metadataTitle !== 'Untitled' && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
                        pdfTitle = metadataTitle
                      }
                    }

                    if (pdfTitle) {
                      _this16.setTitle(''.concat(pdfTitle, ' - ').concat(contentDispositionFilename || document.title))
                    } else if (contentDispositionFilename) {
                      _this16.setTitle(contentDispositionFilename)
                    }

                    if (info.IsXFAPresent && !info.IsAcroFormPresent) {
                      console.warn('Warning: XFA is not supported')

                      _this16._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms)
                    } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !_this16.pdfViewer.renderInteractiveForms) {
                      console.warn('Warning: Interactive form support is not enabled')

                      _this16._delayedFallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms)
                    }

                    versionId = 'other'

                    if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
                      versionId = 'v'.concat(info.PDFFormatVersion.replace('.', '_'))
                    }

                    generatorId = 'other'

                    if (info.Producer) {
                      producer = info.Producer.toLowerCase()
                      KNOWN_GENERATORS.some(function (generator) {
                        if (!producer.includes(generator)) {
                          return false
                        }

                        generatorId = generator.replace(/[ .-]/g, '_')
                        return true
                      })
                    }

                    formType = null

                    if (info.IsXFAPresent) {
                      formType = 'xfa'
                    } else if (info.IsAcroFormPresent) {
                      formType = 'acroform'
                    }

                    _this16.externalServices.reportTelemetry({
                      type: 'documentInfo',
                      version: versionId,
                      generator: generatorId,
                      formType: formType
                    })

                  case 25:
                  case 'end':
                    return _context12.stop()
                }
              }
            }, _callee12)
          }))()
        },
        _initializePageLabels: function _initializePageLabels (pdfDocument) {
          var _this17 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee13 () {
            var labels, numLabels, i, pdfViewer, pdfThumbnailViewer, toolbar
            return _regenerator.default.wrap(function _callee13$ (_context13) {
              while (1) {
                switch (_context13.prev = _context13.next) {
                  case 0:
                    _context13.next = 2
                    return pdfDocument.getPageLabels()

                  case 2:
                    labels = _context13.sent

                    if (!(pdfDocument !== _this17.pdfDocument)) {
                      _context13.next = 5
                      break
                    }

                    return _context13.abrupt('return')

                  case 5:
                    if (!(!labels || _app_options.AppOptions.get('disablePageLabels'))) {
                      _context13.next = 7
                      break
                    }

                    return _context13.abrupt('return')

                  case 7:
                    numLabels = labels.length

                    if (!(numLabels !== _this17.pagesCount)) {
                      _context13.next = 11
                      break
                    }

                    console.error('The number of Page Labels does not match the number of pages in the document.')
                    return _context13.abrupt('return')

                  case 11:
                    i = 0

                    while (i < numLabels && labels[i] === (i + 1).toString()) {
                      i++
                    }

                    if (!(i === numLabels)) {
                      _context13.next = 15
                      break
                    }

                    return _context13.abrupt('return')

                  case 15:
                    pdfViewer = _this17.pdfViewer, pdfThumbnailViewer = _this17.pdfThumbnailViewer, toolbar = _this17.toolbar
                    pdfViewer.setPageLabels(labels)
                    pdfThumbnailViewer.setPageLabels(labels)
                    toolbar.setPagesCount(numLabels, true)
                    toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel)

                  case 20:
                  case 'end':
                    return _context13.stop()
                }
              }
            }, _callee13)
          }))()
        },
        _initializePdfHistory: function _initializePdfHistory (_ref7) {
          var fingerprint = _ref7.fingerprint
          var viewOnLoad = _ref7.viewOnLoad
          var _ref7$initialDest = _ref7.initialDest
          var initialDest = _ref7$initialDest === void 0 ? null : _ref7$initialDest

          if (this.isViewerEmbedded || _app_options.AppOptions.get('disableHistory')) {
            return
          }

          this.pdfHistory.initialize({
            fingerprint: fingerprint,
            resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
            updateUrl: _app_options.AppOptions.get('historyUpdateUrl')
          })

          if (this.pdfHistory.initialBookmark) {
            this.initialBookmark = this.pdfHistory.initialBookmark
            this.initialRotation = this.pdfHistory.initialRotation
          }

          if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
            this.initialBookmark = JSON.stringify(initialDest)
            this.pdfHistory.push({
              explicitDest: initialDest,
              pageNumber: null
            })
          }
        },
        _initializePermissions: function _initializePermissions (pdfDocument) {
          var _this18 = this

          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee14 () {
            var permissions
            return _regenerator.default.wrap(function _callee14$ (_context14) {
              while (1) {
                switch (_context14.prev = _context14.next) {
                  case 0:
                    _context14.next = 2
                    return pdfDocument.getPermissions()

                  case 2:
                    permissions = _context14.sent

                    if (!(pdfDocument !== _this18.pdfDocument)) {
                      _context14.next = 5
                      break
                    }

                    return _context14.abrupt('return')

                  case 5:
                    if (!(!permissions || !_app_options.AppOptions.get('enablePermissions'))) {
                      _context14.next = 7
                      break
                    }

                    return _context14.abrupt('return')

                  case 7:
                    if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
                      _this18.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS)
                    }

                  case 8:
                  case 'end':
                    return _context14.stop()
                }
              }
            }, _callee14)
          }))()
        },
        setInitialView: function setInitialView (storedHash) {
          var _this19 = this

          var _ref8 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}
          var rotation = _ref8.rotation
          var sidebarView = _ref8.sidebarView
          var scrollMode = _ref8.scrollMode
          var spreadMode = _ref8.spreadMode

          var setRotation = function setRotation (angle) {
            if ((0, _ui_utils.isValidRotation)(angle)) {
              _this19.pdfViewer.pagesRotation = angle
            }
          }

          var setViewerModes = function setViewerModes (scroll, spread) {
            if ((0, _ui_utils.isValidScrollMode)(scroll)) {
              _this19.pdfViewer.scrollMode = scroll
            }

            if ((0, _ui_utils.isValidSpreadMode)(spread)) {
              _this19.pdfViewer.spreadMode = spread
            }
          }

          this.isInitialViewSet = true
          this.pdfSidebar.setInitialView(sidebarView)
          setViewerModes(scrollMode, spreadMode)

          if (this.initialBookmark) {
            setRotation(this.initialRotation)
            delete this.initialRotation
            this.pdfLinkService.setHash(this.initialBookmark)
            this.initialBookmark = null
          } else if (storedHash) {
            setRotation(rotation)
            this.pdfLinkService.setHash(storedHash)
          }

          this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel)
          this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber)

          if (!this.pdfViewer.currentScaleValue) {
            this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE
          }
        },
        cleanup: function cleanup () {
          if (!this.pdfDocument) {
            return
          }

          this.pdfViewer.cleanup()
          this.pdfThumbnailViewer.cleanup()

          if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
            this.pdfDocument.cleanup()
          }
        },
        forceRendering: function forceRendering () {
          this.pdfRenderingQueue.printing = !!this.printService
          this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible
          this.pdfRenderingQueue.renderHighestPriority()
        },
        beforePrint: function beforePrint () {
          var _this20 = this

          if (this.printService) {
            return
          }

          if (!this.supportsPrinting) {
            this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.').then(function (printMessage) {
              _this20.error(printMessage)
            })
            return
          }

          if (!this.pdfViewer.pageViewsReady) {
            this.l10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.').then(function (notReadyMessage) {
              window.alert(notReadyMessage)
            })
            return
          }

          var pagesOverview = this.pdfViewer.getPagesOverview()
          var printContainer = this.appConfig.printContainer

          var printResolution = _app_options.AppOptions.get('printResolution')

          var optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise
          var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this.l10n)
          this.printService = printService
          this.forceRendering()
          printService.layout()
          this.externalServices.reportTelemetry({
            type: 'print'
          })
        },
        afterPrint: function afterPrint () {
          if (this.printService) {
            this.printService.destroy()
            this.printService = null

            if (this.pdfDocument) {
              this.pdfDocument.annotationStorage.resetModified()
            }
          }

          this.forceRendering()
        },
        rotatePages: function rotatePages (delta) {
          if (!this.pdfDocument) {
            return
          }

          var newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360
          this.pdfViewer.pagesRotation = newRotation
        },
        requestPresentationMode: function requestPresentationMode () {
          if (!this.pdfPresentationMode) {
            return
          }

          this.pdfPresentationMode.request()
        },
        triggerPrinting: function triggerPrinting () {
          if (!this.supportsPrinting) {
            return
          }

          window.print()
        },
        bindEvents: function bindEvents () {
          var eventBus = this.eventBus
          var _boundEvents = this._boundEvents
          _boundEvents.beforePrint = this.beforePrint.bind(this)
          _boundEvents.afterPrint = this.afterPrint.bind(this)

          eventBus._on('resize', webViewerResize)

          eventBus._on('hashchange', webViewerHashchange)

          eventBus._on('beforeprint', _boundEvents.beforePrint)

          eventBus._on('afterprint', _boundEvents.afterPrint)

          eventBus._on('pagerendered', webViewerPageRendered)

          eventBus._on('updateviewarea', webViewerUpdateViewarea)

          eventBus._on('pagechanging', webViewerPageChanging)

          eventBus._on('scalechanging', webViewerScaleChanging)

          eventBus._on('rotationchanging', webViewerRotationChanging)

          eventBus._on('sidebarviewchanged', webViewerSidebarViewChanged)

          eventBus._on('pagemode', webViewerPageMode)

          eventBus._on('namedaction', webViewerNamedAction)

          eventBus._on('presentationmodechanged', webViewerPresentationModeChanged)

          eventBus._on('presentationmode', webViewerPresentationMode)

          eventBus._on('print', webViewerPrint)

          eventBus._on('download', webViewerDownload)

          eventBus._on('save', webViewerSave)

          eventBus._on('firstpage', webViewerFirstPage)

          eventBus._on('lastpage', webViewerLastPage)

          eventBus._on('nextpage', webViewerNextPage)

          eventBus._on('previouspage', webViewerPreviousPage)

          eventBus._on('zoomin', webViewerZoomIn)

          eventBus._on('zoomout', webViewerZoomOut)

          eventBus._on('zoomreset', webViewerZoomReset)

          eventBus._on('pagenumberchanged', webViewerPageNumberChanged)

          eventBus._on('scalechanged', webViewerScaleChanged)

          eventBus._on('rotatecw', webViewerRotateCw)

          eventBus._on('rotateccw', webViewerRotateCcw)

          eventBus._on('optionalcontentconfig', webViewerOptionalContentConfig)

          eventBus._on('switchscrollmode', webViewerSwitchScrollMode)

          eventBus._on('scrollmodechanged', webViewerScrollModeChanged)

          eventBus._on('switchspreadmode', webViewerSwitchSpreadMode)

          eventBus._on('spreadmodechanged', webViewerSpreadModeChanged)

          eventBus._on('documentproperties', webViewerDocumentProperties)

          eventBus._on('find', webViewerFind)

          eventBus._on('findfromurlhash', webViewerFindFromUrlHash)

          eventBus._on('updatefindmatchescount', webViewerUpdateFindMatchesCount)

          eventBus._on('updatefindcontrolstate', webViewerUpdateFindControlState)

          if (_app_options.AppOptions.get('pdfBug')) {
            _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug

            eventBus._on('pagerendered', _boundEvents.reportPageStatsPDFBug)

            eventBus._on('pagechanging', _boundEvents.reportPageStatsPDFBug)
          }

          eventBus._on('fileinputchange', webViewerFileInputChange)

          eventBus._on('openfile', webViewerOpenFile)
        },
        bindWindowEvents: function bindWindowEvents () {
          var eventBus = this.eventBus
          var _boundEvents = this._boundEvents

          _boundEvents.windowResize = function () {
            eventBus.dispatch('resize', {
              source: window
            })
          }

          _boundEvents.windowHashChange = function () {
            eventBus.dispatch('hashchange', {
              source: window,
              hash: document.location.hash.substring(1)
            })
          }

          _boundEvents.windowBeforePrint = function () {
            eventBus.dispatch('beforeprint', {
              source: window
            })
          }

          _boundEvents.windowAfterPrint = function () {
            eventBus.dispatch('afterprint', {
              source: window
            })
          }

          window.addEventListener('visibilitychange', webViewerVisibilityChange)
          window.addEventListener('wheel', webViewerWheel, {
            passive: false
          })
          window.addEventListener('touchstart', webViewerTouchStart, {
            passive: false
          })
          window.addEventListener('click', webViewerClick)
          window.addEventListener('keydown', webViewerKeyDown)
          window.addEventListener('keyup', webViewerKeyUp)
          window.addEventListener('resize', _boundEvents.windowResize)
          window.addEventListener('hashchange', _boundEvents.windowHashChange)
          window.addEventListener('beforeprint', _boundEvents.windowBeforePrint)
          window.addEventListener('afterprint', _boundEvents.windowAfterPrint)
        },
        unbindEvents: function unbindEvents () {
          var eventBus = this.eventBus
          var _boundEvents = this._boundEvents

          eventBus._off('resize', webViewerResize)

          eventBus._off('hashchange', webViewerHashchange)

          eventBus._off('beforeprint', _boundEvents.beforePrint)

          eventBus._off('afterprint', _boundEvents.afterPrint)

          eventBus._off('pagerendered', webViewerPageRendered)

          eventBus._off('updateviewarea', webViewerUpdateViewarea)

          eventBus._off('pagechanging', webViewerPageChanging)

          eventBus._off('scalechanging', webViewerScaleChanging)

          eventBus._off('rotationchanging', webViewerRotationChanging)

          eventBus._off('sidebarviewchanged', webViewerSidebarViewChanged)

          eventBus._off('pagemode', webViewerPageMode)

          eventBus._off('namedaction', webViewerNamedAction)

          eventBus._off('presentationmodechanged', webViewerPresentationModeChanged)

          eventBus._off('presentationmode', webViewerPresentationMode)

          eventBus._off('print', webViewerPrint)

          eventBus._off('download', webViewerDownload)

          eventBus._off('save', webViewerSave)

          eventBus._off('firstpage', webViewerFirstPage)

          eventBus._off('lastpage', webViewerLastPage)

          eventBus._off('nextpage', webViewerNextPage)

          eventBus._off('previouspage', webViewerPreviousPage)

          eventBus._off('zoomin', webViewerZoomIn)

          eventBus._off('zoomout', webViewerZoomOut)

          eventBus._off('zoomreset', webViewerZoomReset)

          eventBus._off('pagenumberchanged', webViewerPageNumberChanged)

          eventBus._off('scalechanged', webViewerScaleChanged)

          eventBus._off('rotatecw', webViewerRotateCw)

          eventBus._off('rotateccw', webViewerRotateCcw)

          eventBus._off('optionalcontentconfig', webViewerOptionalContentConfig)

          eventBus._off('switchscrollmode', webViewerSwitchScrollMode)

          eventBus._off('scrollmodechanged', webViewerScrollModeChanged)

          eventBus._off('switchspreadmode', webViewerSwitchSpreadMode)

          eventBus._off('spreadmodechanged', webViewerSpreadModeChanged)

          eventBus._off('documentproperties', webViewerDocumentProperties)

          eventBus._off('find', webViewerFind)

          eventBus._off('findfromurlhash', webViewerFindFromUrlHash)

          eventBus._off('updatefindmatchescount', webViewerUpdateFindMatchesCount)

          eventBus._off('updatefindcontrolstate', webViewerUpdateFindControlState)

          if (_boundEvents.reportPageStatsPDFBug) {
            eventBus._off('pagerendered', _boundEvents.reportPageStatsPDFBug)

            eventBus._off('pagechanging', _boundEvents.reportPageStatsPDFBug)

            _boundEvents.reportPageStatsPDFBug = null
          }

          eventBus._off('fileinputchange', webViewerFileInputChange)

          eventBus._off('openfile', webViewerOpenFile)

          _boundEvents.beforePrint = null
          _boundEvents.afterPrint = null
        },
        unbindWindowEvents: function unbindWindowEvents () {
          var _boundEvents = this._boundEvents
          window.removeEventListener('visibilitychange', webViewerVisibilityChange)
          window.removeEventListener('wheel', webViewerWheel, {
            passive: false
          })
          window.removeEventListener('touchstart', webViewerTouchStart, {
            passive: false
          })
          window.removeEventListener('click', webViewerClick)
          window.removeEventListener('keydown', webViewerKeyDown)
          window.removeEventListener('keyup', webViewerKeyUp)
          window.removeEventListener('resize', _boundEvents.windowResize)
          window.removeEventListener('hashchange', _boundEvents.windowHashChange)
          window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint)
          window.removeEventListener('afterprint', _boundEvents.windowAfterPrint)
          _boundEvents.windowResize = null
          _boundEvents.windowHashChange = null
          _boundEvents.windowBeforePrint = null
          _boundEvents.windowAfterPrint = null
        },
        accumulateWheelTicks: function accumulateWheelTicks (ticks) {
          if (this._wheelUnusedTicks > 0 && ticks < 0 || this._wheelUnusedTicks < 0 && ticks > 0) {
            this._wheelUnusedTicks = 0
          }

          this._wheelUnusedTicks += ticks
          var wholeTicks = Math.sign(this._wheelUnusedTicks) * Math.floor(Math.abs(this._wheelUnusedTicks))
          this._wheelUnusedTicks -= wholeTicks
          return wholeTicks
        }
      }
      exports.PDFViewerApplication = PDFViewerApplication
      var validateFileURL
      {
        var HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io']

        validateFileURL = function validateFileURL (file) {
          if (file === undefined) {
            return
          }

          try {
            var viewerOrigin = new URL(window.location.href).origin || 'null'

            if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
              return
            }

            var _URL = new URL(file, window.location.href)
            var origin = _URL.origin
            var protocol = _URL.protocol

            // if (origin !== viewerOrigin && protocol !== "blob:") {
            //   throw new Error("file origin does not match viewer's");
            // }
          } catch (ex) {
            var message = ex && ex.message
            PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (loadingErrorMessage) {
              PDFViewerApplication.error(loadingErrorMessage, {
                message: message
              })
            })
            throw ex
          }
        }
      }

      function loadFakeWorker () {
        return _loadFakeWorker.apply(this, arguments)
      }

      function _loadFakeWorker () {
        _loadFakeWorker = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee15 () {
          return _regenerator.default.wrap(function _callee15$ (_context15) {
            while (1) {
              switch (_context15.prev = _context15.next) {
                case 0:
                  if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
                    _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc')
                  }

                  return _context15.abrupt('return', (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc()))

                case 2:
                case 'end':
                  return _context15.stop()
              }
            }
          }, _callee15)
        }))
        return _loadFakeWorker.apply(this, arguments)
      }

      function loadAndEnablePDFBug (enabledTabs) {
        var appConfig = PDFViewerApplication.appConfig
        return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
          PDFBug.enable(enabledTabs)
          PDFBug.init({
            OPS: _pdfjsLib.OPS
          }, appConfig.mainContainer)
        })
      }

      function reportPageStatsPDFBug (_ref9) {
        var pageNumber = _ref9.pageNumber

        if (typeof Stats === 'undefined' || !Stats.enabled) {
          return
        }

        var pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1)
        var pageStats = pageView && pageView.pdfPage && pageView.pdfPage.stats

        if (!pageStats) {
          return
        }

        Stats.add(pageNumber, pageStats)
      }

      function webViewerInitialized () {
        var appConfig = PDFViewerApplication.appConfig
        var file
        var queryString = document.location.search.substring(1)
        var params = (0, _ui_utils.parseQueryString)(queryString)
        file = 'file' in params ? params.file : _app_options.AppOptions.get('defaultUrl')
        validateFileURL(file)
        var fileInput = document.createElement('input')
        fileInput.id = appConfig.openFileInputName
        fileInput.className = 'fileInput'
        fileInput.setAttribute('type', 'file')
        fileInput.oncontextmenu = _ui_utils.noContextMenuHandler
        document.body.appendChild(fileInput)

        if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
          appConfig.toolbar.openFile.setAttribute('hidden', 'true')
          appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true')
        } else {
          fileInput.value = null
        }

        fileInput.addEventListener('change', function (evt) {
          var files = evt.target.files

          if (!files || files.length === 0) {
            return
          }

          PDFViewerApplication.eventBus.dispatch('fileinputchange', {
            source: this,
            fileInput: evt.target
          })
        })
        appConfig.mainContainer.addEventListener('dragover', function (evt) {
          evt.preventDefault()
          evt.dataTransfer.dropEffect = 'move'
        })
        appConfig.mainContainer.addEventListener('drop', function (evt) {
          evt.preventDefault()
          var files = evt.dataTransfer.files

          if (!files || files.length === 0) {
            return
          }

          PDFViewerApplication.eventBus.dispatch('fileinputchange', {
            source: this,
            fileInput: evt.dataTransfer
          })
        })

        if (!PDFViewerApplication.supportsDocumentFonts) {
          _app_options.AppOptions.set('disableFontFace', true)

          PDFViewerApplication.l10n.get('web_fonts_disabled', null, 'Web fonts are disabled: unable to use embedded PDF fonts.').then(function (msg) {
            console.warn(msg)
          })
        }

        if (!PDFViewerApplication.supportsPrinting) {
          appConfig.toolbar.print.classList.add('hidden')
          appConfig.secondaryToolbar.printButton.classList.add('hidden')
        }

        if (!PDFViewerApplication.supportsFullscreen) {
          appConfig.toolbar.presentationModeButton.classList.add('hidden')
          appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden')
        }

        if (PDFViewerApplication.supportsIntegratedFind) {
          appConfig.toolbar.viewFind.classList.add('hidden')
        }

        appConfig.mainContainer.addEventListener('transitionend', function (evt) {
          if (evt.target === this) {
            PDFViewerApplication.eventBus.dispatch('resize', {
              source: this
            })
          }
        }, true)

        try {
          webViewerOpenFileViaURL(file)
        } catch (reason) {
          PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
            PDFViewerApplication.error(msg, reason)
          })
        }
      }

      var webViewerOpenFileViaURL
      {
        webViewerOpenFileViaURL = function webViewerOpenFileViaURL (file) {
          if (file && file.lastIndexOf('file:', 0) === 0) {
            PDFViewerApplication.setTitleUsingUrl(file)
            var xhr = new XMLHttpRequest()

            xhr.onload = function () {
              PDFViewerApplication.open(new Uint8Array(xhr.response))
            }

            xhr.open('GET', file)
            xhr.responseType = 'arraybuffer'
            xhr.send()
            return
          }

          if (file) {
            PDFViewerApplication.open(file)
          }
        }
      }

      function webViewerResetPermissions () {
        var appConfig = PDFViewerApplication.appConfig

        if (!appConfig) {
          return
        }

        appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS)
      }

      function webViewerPageRendered (_ref10) {
        var pageNumber = _ref10.pageNumber
        var timestamp = _ref10.timestamp
        var error = _ref10.error

        if (pageNumber === PDFViewerApplication.page) {
          PDFViewerApplication.toolbar.updateLoadingIndicatorState(false)
        }

        if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
          var pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1)
          var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageNumber - 1)

          if (pageView && thumbnailView) {
            thumbnailView.setImage(pageView)
          }
        }

        if (error) {
          PDFViewerApplication.l10n.get('rendering_error', null, 'An error occurred while rendering the page.').then(function (msg) {
            PDFViewerApplication.error(msg, error)
          })
        }

        PDFViewerApplication.externalServices.reportTelemetry({
          type: 'pageInfo',
          timestamp: timestamp
        })
        PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
          PDFViewerApplication.externalServices.reportTelemetry({
            type: 'documentStats',
            stats: stats
          })
        })
      }

      function webViewerPageMode (_ref11) {
        var mode = _ref11.mode
        var view

        switch (mode) {
          case 'thumbs':
            view = _pdf_sidebar.SidebarView.THUMBS
            break

          case 'bookmarks':
          case 'outline':
            view = _pdf_sidebar.SidebarView.OUTLINE
            break

          case 'attachments':
            view = _pdf_sidebar.SidebarView.ATTACHMENTS
            break

          case 'layers':
            view = _pdf_sidebar.SidebarView.LAYERS
            break

          case 'none':
            view = _pdf_sidebar.SidebarView.NONE
            break

          default:
            console.error('Invalid "pagemode" hash parameter: ' + mode)
            return
        }

        PDFViewerApplication.pdfSidebar.switchView(view, true)
      }

      function webViewerNamedAction (evt) {
        switch (evt.action) {
          case 'GoToPage':
            PDFViewerApplication.appConfig.toolbar.pageNumber.select()
            break

          case 'Find':
            if (!PDFViewerApplication.supportsIntegratedFind) {
              PDFViewerApplication.findBar.toggle()
            }

            break

          case 'Print':
            PDFViewerApplication.triggerPrinting()
            break

          case 'SaveAs':
            webViewerSave()
            break
        }
      }

      function webViewerPresentationModeChanged (_ref12) {
        var active = _ref12.active
        var switchInProgress = _ref12.switchInProgress
        var state = _ui_utils.PresentationModeState.NORMAL

        if (switchInProgress) {
          state = _ui_utils.PresentationModeState.CHANGING
        } else if (active) {
          state = _ui_utils.PresentationModeState.FULLSCREEN
        }

        PDFViewerApplication.pdfViewer.presentationModeState = state
      }

      function webViewerSidebarViewChanged (evt) {
        PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible
        var store = PDFViewerApplication.store

        if (store && PDFViewerApplication.isInitialViewSet) {
          store.set('sidebarView', evt.view).catch(function () {})
        }
      }

      function webViewerUpdateViewarea (evt) {
        var location = evt.location
        var store = PDFViewerApplication.store

        if (store && PDFViewerApplication.isInitialViewSet) {
          store.setMultiple({
            page: location.pageNumber,
            zoom: location.scale,
            scrollLeft: location.left,
            scrollTop: location.top,
            rotation: location.rotation
          }).catch(function () {})
        }

        var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams)
        PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href
        PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href
        var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1)
        var loading = (currentPage && currentPage.renderingState) !== _pdf_rendering_queue.RenderingStates.FINISHED
        PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading)
      }

      function webViewerScrollModeChanged (evt) {
        var store = PDFViewerApplication.store

        if (store && PDFViewerApplication.isInitialViewSet) {
          store.set('scrollMode', evt.mode).catch(function () {})
        }
      }

      function webViewerSpreadModeChanged (evt) {
        var store = PDFViewerApplication.store

        if (store && PDFViewerApplication.isInitialViewSet) {
          store.set('spreadMode', evt.mode).catch(function () {})
        }
      }

      function webViewerResize () {
        var pdfDocument = PDFViewerApplication.pdfDocument
        var pdfViewer = PDFViewerApplication.pdfViewer

        if (!pdfDocument) {
          return
        }

        var currentScaleValue = pdfViewer.currentScaleValue

        if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
          pdfViewer.currentScaleValue = currentScaleValue
        }

        pdfViewer.update()
      }

      function webViewerHashchange (evt) {
        var hash = evt.hash

        if (!hash) {
          return
        }

        if (!PDFViewerApplication.isInitialViewSet) {
          PDFViewerApplication.initialBookmark = hash
        } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
          PDFViewerApplication.pdfLinkService.setHash(hash)
        }
      }

      var webViewerFileInputChange, webViewerOpenFile
      {
        webViewerFileInputChange = function webViewerFileInputChange (evt) {
          if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
            return
          }

          var file = evt.fileInput.files[0]

          if (!_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
            var url = URL.createObjectURL(file)

            if (file.name) {
              url = {
                url: url,
                originalUrl: file.name
              }
            }

            PDFViewerApplication.open(url)
          } else {
            PDFViewerApplication.setTitleUsingUrl(file.name)
            var fileReader = new FileReader()

            fileReader.onload = function webViewerChangeFileReaderOnload (event) {
              var buffer = event.target.result
              PDFViewerApplication.open(new Uint8Array(buffer))
            }

            fileReader.readAsArrayBuffer(file)
          }

          var appConfig = PDFViewerApplication.appConfig
          appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true')
          appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true')
          appConfig.toolbar.download.setAttribute('hidden', 'true')
          appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true')
        }

        webViewerOpenFile = function webViewerOpenFile (evt) {
          var openFileInputName = PDFViewerApplication.appConfig.openFileInputName
          document.getElementById(openFileInputName).click()
        }
      }

      function webViewerPresentationMode () {
        PDFViewerApplication.requestPresentationMode()
      }

      function webViewerPrint () {
        PDFViewerApplication.triggerPrinting()
      }

      function webViewerDownloadOrSave (sourceEventType) {
        if (PDFViewerApplication.pdfDocument && PDFViewerApplication.pdfDocument.annotationStorage.size > 0) {
          PDFViewerApplication.save({
            sourceEventType: sourceEventType
          })
        } else {
          PDFViewerApplication.download({
            sourceEventType: sourceEventType
          })
        }
      }

      function webViewerDownload () {
        webViewerDownloadOrSave('download')
      }

      function webViewerSave () {
        webViewerDownloadOrSave('save')
      }

      function webViewerFirstPage () {
        if (PDFViewerApplication.pdfDocument) {
          PDFViewerApplication.page = 1
        }
      }

      function webViewerLastPage () {
        if (PDFViewerApplication.pdfDocument) {
          PDFViewerApplication.page = PDFViewerApplication.pagesCount
        }
      }

      function webViewerNextPage () {
        PDFViewerApplication.page++
      }

      function webViewerPreviousPage () {
        PDFViewerApplication.page--
      }

      function webViewerZoomIn () {
        PDFViewerApplication.zoomIn()
      }

      function webViewerZoomOut () {
        PDFViewerApplication.zoomOut()
      }

      function webViewerZoomReset () {
        PDFViewerApplication.zoomReset()
      }

      function webViewerPageNumberChanged (evt) {
        var pdfViewer = PDFViewerApplication.pdfViewer

        if (evt.value !== '') {
          PDFViewerApplication.pdfLinkService.goToPage(evt.value)
        }

        if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
          PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel)
        }
      }

      function webViewerScaleChanged (evt) {
        PDFViewerApplication.pdfViewer.currentScaleValue = evt.value
      }

      function webViewerRotateCw () {
        PDFViewerApplication.rotatePages(90)
      }

      function webViewerRotateCcw () {
        PDFViewerApplication.rotatePages(-90)
      }

      function webViewerOptionalContentConfig (evt) {
        PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise
      }

      function webViewerSwitchScrollMode (evt) {
        PDFViewerApplication.pdfViewer.scrollMode = evt.mode
      }

      function webViewerSwitchSpreadMode (evt) {
        PDFViewerApplication.pdfViewer.spreadMode = evt.mode
      }

      function webViewerDocumentProperties () {
        PDFViewerApplication.pdfDocumentProperties.open()
      }

      function webViewerFind (evt) {
        PDFViewerApplication.findController.executeCommand('find' + evt.type, {
          query: evt.query,
          phraseSearch: evt.phraseSearch,
          caseSensitive: evt.caseSensitive,
          entireWord: evt.entireWord,
          highlightAll: evt.highlightAll,
          findPrevious: evt.findPrevious
        })
      }

      function webViewerFindFromUrlHash (evt) {
        PDFViewerApplication.findController.executeCommand('find', {
          query: evt.query,
          phraseSearch: evt.phraseSearch,
          caseSensitive: false,
          entireWord: false,
          highlightAll: true,
          findPrevious: false
        })
      }

      function webViewerUpdateFindMatchesCount (_ref13) {
        var matchesCount = _ref13.matchesCount

        if (PDFViewerApplication.supportsIntegratedFind) {
          PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount)
        } else {
          PDFViewerApplication.findBar.updateResultsCount(matchesCount)
        }
      }

      function webViewerUpdateFindControlState (_ref14) {
        var state = _ref14.state
        var previous = _ref14.previous
        var matchesCount = _ref14.matchesCount
        var rawQuery = _ref14.rawQuery

        if (PDFViewerApplication.supportsIntegratedFind) {
          PDFViewerApplication.externalServices.updateFindControlState({
            result: state,
            findPrevious: previous,
            matchesCount: matchesCount,
            rawQuery: rawQuery
          })
        } else {
          PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount)
        }
      }

      function webViewerScaleChanging (evt) {
        PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale)
        PDFViewerApplication.pdfViewer.update()
      }

      function webViewerRotationChanging (evt) {
        PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation
        PDFViewerApplication.forceRendering()
        PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber
      }

      function webViewerPageChanging (_ref15) {
        var pageNumber = _ref15.pageNumber
        var pageLabel = _ref15.pageLabel
        PDFViewerApplication.toolbar.setPageNumber(pageNumber, pageLabel)
        PDFViewerApplication.secondaryToolbar.setPageNumber(pageNumber)

        if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
          PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(pageNumber)
        }
      }

      function webViewerVisibilityChange (evt) {
        if (document.visibilityState === 'visible') {
          setZoomDisabledTimeout()
        }
      }

      var zoomDisabledTimeout = null

      function setZoomDisabledTimeout () {
        if (zoomDisabledTimeout) {
          clearTimeout(zoomDisabledTimeout)
        }

        zoomDisabledTimeout = setTimeout(function () {
          zoomDisabledTimeout = null
        }, WHEEL_ZOOM_DISABLED_TIMEOUT)
      }

      function webViewerWheel (evt) {
        var pdfViewer = PDFViewerApplication.pdfViewer
        var supportedMouseWheelZoomModifierKeys = PDFViewerApplication.supportedMouseWheelZoomModifierKeys

        if (pdfViewer.isInPresentationMode) {
          return
        }

        if (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
          evt.preventDefault()

          if (zoomDisabledTimeout || document.visibilityState === 'hidden') {
            return
          }

          var previousScale = pdfViewer.currentScale
          var delta = (0, _ui_utils.normalizeWheelEventDirection)(evt)
          var ticks = 0

          if (evt.deltaMode === WheelEvent.DOM_DELTA_LINE || evt.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
            if (Math.abs(delta) >= 1) {
              ticks = Math.sign(delta)
            } else {
              ticks = PDFViewerApplication.accumulateWheelTicks(delta)
            }
          } else {
            var PIXELS_PER_LINE_SCALE = 30
            ticks = PDFViewerApplication.accumulateWheelTicks(delta / PIXELS_PER_LINE_SCALE)
          }

          if (ticks < 0) {
            PDFViewerApplication.zoomOut(-ticks)
          } else if (ticks > 0) {
            PDFViewerApplication.zoomIn(ticks)
          }

          var currentScale = pdfViewer.currentScale

          if (previousScale !== currentScale) {
            var scaleCorrectionFactor = currentScale / previousScale - 1
            var rect = pdfViewer.container.getBoundingClientRect()
            var dx = evt.clientX - rect.left
            var dy = evt.clientY - rect.top
            pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor
            pdfViewer.container.scrollTop += dy * scaleCorrectionFactor
          }
        } else {
          setZoomDisabledTimeout()
        }
      }

      function webViewerTouchStart (evt) {
        if (evt.touches.length > 1) {
          evt.preventDefault()
        }
      }

      function webViewerClick (evt) {
        if (PDFViewerApplication.triggerDelayedFallback && PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
          PDFViewerApplication.triggerDelayedFallback()
        }

        if (!PDFViewerApplication.secondaryToolbar.isOpen) {
          return
        }

        var appConfig = PDFViewerApplication.appConfig

        if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
          PDFViewerApplication.secondaryToolbar.close()
        }
      }

      function webViewerKeyUp (evt) {
        if (evt.keyCode === 9) {
          if (PDFViewerApplication.triggerDelayedFallback) {
            PDFViewerApplication.triggerDelayedFallback()
          }
        }
      }

      function webViewerKeyDown (evt) {
        if (PDFViewerApplication.overlayManager.active) {
          return
        }

        var handled = false
        var ensureViewerFocused = false
        var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0)
        var pdfViewer = PDFViewerApplication.pdfViewer
        var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode

        if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
          switch (evt.keyCode) {
            case 70:
              if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) {
                PDFViewerApplication.findBar.open()
                handled = true
              }

              break

            case 71:
              if (!PDFViewerApplication.supportsIntegratedFind) {
                var findState = PDFViewerApplication.findController.state

                if (findState) {
                  PDFViewerApplication.findController.executeCommand('findagain', {
                    query: findState.query,
                    phraseSearch: findState.phraseSearch,
                    caseSensitive: findState.caseSensitive,
                    entireWord: findState.entireWord,
                    highlightAll: findState.highlightAll,
                    findPrevious: cmd === 5 || cmd === 12
                  })
                }

                handled = true
              }

              break

            case 61:
            case 107:
            case 187:
            case 171:
              if (!isViewerInPresentationMode) {
                PDFViewerApplication.zoomIn()
              }

              handled = true
              break

            case 173:
            case 109:
            case 189:
              if (!isViewerInPresentationMode) {
                PDFViewerApplication.zoomOut()
              }

              handled = true
              break

            case 48:
            case 96:
              if (!isViewerInPresentationMode) {
                setTimeout(function () {
                  PDFViewerApplication.zoomReset()
                })
                handled = false
              }

              break

            case 38:
              if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                PDFViewerApplication.page = 1
                handled = true
                ensureViewerFocused = true
              }

              break

            case 40:
              if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                PDFViewerApplication.page = PDFViewerApplication.pagesCount
                handled = true
                ensureViewerFocused = true
              }

              break
          }
        }

        var eventBus = PDFViewerApplication.eventBus

        if (cmd === 1 || cmd === 8) {
          switch (evt.keyCode) {
            case 83:
              eventBus.dispatch('download', {
                source: window
              })
              handled = true
              break

            case 79:
              {
                eventBus.dispatch('openfile', {
                  source: window
                })
                handled = true
              }
              break
          }
        }

        if (cmd === 3 || cmd === 10) {
          switch (evt.keyCode) {
            case 80:
              PDFViewerApplication.requestPresentationMode()
              handled = true
              break

            case 71:
              PDFViewerApplication.appConfig.toolbar.pageNumber.select()
              handled = true
              break
          }
        }

        if (handled) {
          if (ensureViewerFocused && !isViewerInPresentationMode) {
            pdfViewer.focus()
          }

          evt.preventDefault()
          return
        }

        var curElement = (0, _ui_utils.getActiveOrFocusedElement)()
        var curElementTagName = curElement && curElement.tagName.toUpperCase()

        if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT' || curElement && curElement.isContentEditable) {
          if (evt.keyCode !== 27) {
            return
          }
        }

        if (cmd === 0) {
          var turnPage = 0
          var turnOnlyIfPageFit = false

          switch (evt.keyCode) {
            case 38:
            case 33:
              if (pdfViewer.isVerticalScrollbarEnabled) {
                turnOnlyIfPageFit = true
              }

              turnPage = -1
              break

            case 8:
              if (!isViewerInPresentationMode) {
                turnOnlyIfPageFit = true
              }

              turnPage = -1
              break

            case 37:
              if (pdfViewer.isHorizontalScrollbarEnabled) {
                turnOnlyIfPageFit = true
              }

            case 75:
            case 80:
              turnPage = -1
              break

            case 27:
              if (PDFViewerApplication.secondaryToolbar.isOpen) {
                PDFViewerApplication.secondaryToolbar.close()
                handled = true
              }

              if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
                PDFViewerApplication.findBar.close()
                handled = true
              }

              break

            case 40:
            case 34:
              if (pdfViewer.isVerticalScrollbarEnabled) {
                turnOnlyIfPageFit = true
              }

              turnPage = 1
              break

            case 13:
            case 32:
              if (!isViewerInPresentationMode) {
                turnOnlyIfPageFit = true
              }

              turnPage = 1
              break

            case 39:
              if (pdfViewer.isHorizontalScrollbarEnabled) {
                turnOnlyIfPageFit = true
              }

            case 74:
            case 78:
              turnPage = 1
              break

            case 36:
              if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                PDFViewerApplication.page = 1
                handled = true
                ensureViewerFocused = true
              }

              break

            case 35:
              if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                PDFViewerApplication.page = PDFViewerApplication.pagesCount
                handled = true
                ensureViewerFocused = true
              }

              break

            case 83:
              PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT)
              break

            case 72:
              PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND)
              break

            case 82:
              PDFViewerApplication.rotatePages(90)
              break

            case 115:
              PDFViewerApplication.pdfSidebar.toggle()
              break
          }

          if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) {
            if (turnPage > 0) {
              if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                PDFViewerApplication.page++
              }
            } else {
              if (PDFViewerApplication.page > 1) {
                PDFViewerApplication.page--
              }
            }

            handled = true
          }
        }

        if (cmd === 4) {
          switch (evt.keyCode) {
            case 13:
            case 32:
              if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
                break
              }

              if (PDFViewerApplication.page > 1) {
                PDFViewerApplication.page--
              }

              handled = true
              break

            case 82:
              PDFViewerApplication.rotatePages(-90)
              break
          }
        }

        if (!handled && !isViewerInPresentationMode) {
          if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
            ensureViewerFocused = true
          }
        }

        if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
          pdfViewer.focus()
        }

        if (handled) {
          evt.preventDefault()
        }
      }

      function beforeUnload (evt) {
        evt.preventDefault()
        evt.returnValue = ''
        return false
      }

      function apiPageLayoutToSpreadMode (layout) {
        switch (layout) {
          case 'SinglePage':
          case 'OneColumn':
            return _ui_utils.SpreadMode.NONE

          case 'TwoColumnLeft':
          case 'TwoPageLeft':
            return _ui_utils.SpreadMode.ODD

          case 'TwoColumnRight':
          case 'TwoPageRight':
            return _ui_utils.SpreadMode.EVEN
        }

        return _ui_utils.SpreadMode.NONE
      }

      function apiPageModeToSidebarView (mode) {
        switch (mode) {
          case 'UseNone':
            return _pdf_sidebar.SidebarView.NONE

          case 'UseThumbs':
            return _pdf_sidebar.SidebarView.THUMBS

          case 'UseOutlines':
            return _pdf_sidebar.SidebarView.OUTLINE

          case 'UseAttachments':
            return _pdf_sidebar.SidebarView.ATTACHMENTS

          case 'UseOC':
            return _pdf_sidebar.SidebarView.LAYERS
        }

        return _pdf_sidebar.SidebarView.NONE
      }

      var PDFPrintServiceFactory = {
        instance: {
          supportsPrinting: false,
          createPrintService: function createPrintService () {
            throw new Error('Not implemented: createPrintService')
          }
        }
      }
      exports.PDFPrintServiceFactory = PDFPrintServiceFactory
      /***/ },
    /* 4 */
    /***/ (module, __unused_webpack_exports, __webpack_require__) => {
      module.exports = __webpack_require__(5)
      /***/ },
    /* 5 */
    /***/ (module, __unused_webpack_exports, __webpack_require__) => {
      /* module decorator */ module = __webpack_require__.nmd(module)

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      var runtime = (function (exports) {
        'use strict'

        var Op = Object.prototype
        var hasOwn = Op.hasOwnProperty
        var undefined
        var $Symbol = typeof Symbol === 'function' ? Symbol : {}
        var iteratorSymbol = $Symbol.iterator || '@@iterator'
        var asyncIteratorSymbol = $Symbol.asyncIterator || '@@asyncIterator'
        var toStringTagSymbol = $Symbol.toStringTag || '@@toStringTag'

        function define (obj, key, value) {
          Object.defineProperty(obj, key, {
            value: value,
            enumerable: true,
            configurable: true,
            writable: true
          })
          return obj[key]
        }

        try {
          define({}, '')
        } catch (err) {
          define = function define (obj, key, value) {
            return obj[key] = value
          }
        }

        function wrap (innerFn, outerFn, self, tryLocsList) {
          var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator
          var generator = Object.create(protoGenerator.prototype)
          var context = new Context(tryLocsList || [])
          generator._invoke = makeInvokeMethod(innerFn, self, context)
          return generator
        }

        exports.wrap = wrap

        function tryCatch (fn, obj, arg) {
          try {
            return {
              type: 'normal',
              arg: fn.call(obj, arg)
            }
          } catch (err) {
            return {
              type: 'throw',
              arg: err
            }
          }
        }

        var GenStateSuspendedStart = 'suspendedStart'
        var GenStateSuspendedYield = 'suspendedYield'
        var GenStateExecuting = 'executing'
        var GenStateCompleted = 'completed'
        var ContinueSentinel = {}

        function Generator () {}

        function GeneratorFunction () {}

        function GeneratorFunctionPrototype () {}

        var IteratorPrototype = {}

        IteratorPrototype[iteratorSymbol] = function () {
          return this
        }

        var getProto = Object.getPrototypeOf
        var NativeIteratorPrototype = getProto && getProto(getProto(values([])))

        if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
          IteratorPrototype = NativeIteratorPrototype
        }

        var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype)
        GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype
        GeneratorFunctionPrototype.constructor = GeneratorFunction
        GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, 'GeneratorFunction')

        function defineIteratorMethods (prototype) {
          ['next', 'throw', 'return'].forEach(function (method) {
            define(prototype, method, function (arg) {
              return this._invoke(method, arg)
            })
          })
        }

        exports.isGeneratorFunction = function (genFun) {
          var ctor = typeof genFun === 'function' && genFun.constructor
          return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === 'GeneratorFunction' : false
        }

        exports.mark = function (genFun) {
          if (Object.setPrototypeOf) {
            Object.setPrototypeOf(genFun, GeneratorFunctionPrototype)
          } else {
            genFun.__proto__ = GeneratorFunctionPrototype
            define(genFun, toStringTagSymbol, 'GeneratorFunction')
          }

          genFun.prototype = Object.create(Gp)
          return genFun
        }

        exports.awrap = function (arg) {
          return {
            __await: arg
          }
        }

        function AsyncIterator (generator, PromiseImpl) {
          function invoke (method, arg, resolve, reject) {
            var record = tryCatch(generator[method], generator, arg)

            if (record.type === 'throw') {
              reject(record.arg)
            } else {
              var result = record.arg
              var value = result.value

              if (value && _typeof(value) === 'object' && hasOwn.call(value, '__await')) {
                return PromiseImpl.resolve(value.__await).then(function (value) {
                  invoke('next', value, resolve, reject)
                }, function (err) {
                  invoke('throw', err, resolve, reject)
                })
              }

              return PromiseImpl.resolve(value).then(function (unwrapped) {
                result.value = unwrapped
                resolve(result)
              }, function (error) {
                return invoke('throw', error, resolve, reject)
              })
            }
          }

          var previousPromise

          function enqueue (method, arg) {
            function callInvokeWithMethodAndArg () {
              return new PromiseImpl(function (resolve, reject) {
                invoke(method, arg, resolve, reject)
              })
            }

            return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg()
          }

          this._invoke = enqueue
        }

        defineIteratorMethods(AsyncIterator.prototype)

        AsyncIterator.prototype[asyncIteratorSymbol] = function () {
          return this
        }

        exports.AsyncIterator = AsyncIterator

        exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
          if (PromiseImpl === void 0) PromiseImpl = Promise
          var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl)
          return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
            return result.done ? result.value : iter.next()
          })
        }

        function makeInvokeMethod (innerFn, self, context) {
          var state = GenStateSuspendedStart
          return function invoke (method, arg) {
            if (state === GenStateExecuting) {
              throw new Error('Generator is already running')
            }

            if (state === GenStateCompleted) {
              if (method === 'throw') {
                throw arg
              }

              return doneResult()
            }

            context.method = method
            context.arg = arg

            while (true) {
              var delegate = context.delegate

              if (delegate) {
                var delegateResult = maybeInvokeDelegate(delegate, context)

                if (delegateResult) {
                  if (delegateResult === ContinueSentinel) continue
                  return delegateResult
                }
              }

              if (context.method === 'next') {
                context.sent = context._sent = context.arg
              } else if (context.method === 'throw') {
                if (state === GenStateSuspendedStart) {
                  state = GenStateCompleted
                  throw context.arg
                }

                context.dispatchException(context.arg)
              } else if (context.method === 'return') {
                context.abrupt('return', context.arg)
              }

              state = GenStateExecuting
              var record = tryCatch(innerFn, self, context)

              if (record.type === 'normal') {
                state = context.done ? GenStateCompleted : GenStateSuspendedYield

                if (record.arg === ContinueSentinel) {
                  continue
                }

                return {
                  value: record.arg,
                  done: context.done
                }
              } else if (record.type === 'throw') {
                state = GenStateCompleted
                context.method = 'throw'
                context.arg = record.arg
              }
            }
          }
        }

        function maybeInvokeDelegate (delegate, context) {
          var method = delegate.iterator[context.method]

          if (method === undefined) {
            context.delegate = null

            if (context.method === 'throw') {
              if (delegate.iterator.return) {
                context.method = 'return'
                context.arg = undefined
                maybeInvokeDelegate(delegate, context)

                if (context.method === 'throw') {
                  return ContinueSentinel
                }
              }

              context.method = 'throw'
              context.arg = new TypeError("The iterator does not provide a 'throw' method")
            }

            return ContinueSentinel
          }

          var record = tryCatch(method, delegate.iterator, context.arg)

          if (record.type === 'throw') {
            context.method = 'throw'
            context.arg = record.arg
            context.delegate = null
            return ContinueSentinel
          }

          var info = record.arg

          if (!info) {
            context.method = 'throw'
            context.arg = new TypeError('iterator result is not an object')
            context.delegate = null
            return ContinueSentinel
          }

          if (info.done) {
            context[delegate.resultName] = info.value
            context.next = delegate.nextLoc

            if (context.method !== 'return') {
              context.method = 'next'
              context.arg = undefined
            }
          } else {
            return info
          }

          context.delegate = null
          return ContinueSentinel
        }

        defineIteratorMethods(Gp)
        define(Gp, toStringTagSymbol, 'Generator')

        Gp[iteratorSymbol] = function () {
          return this
        }

        Gp.toString = function () {
          return '[object Generator]'
        }

        function pushTryEntry (locs) {
          var entry = {
            tryLoc: locs[0]
          }

          if (1 in locs) {
            entry.catchLoc = locs[1]
          }

          if (2 in locs) {
            entry.finallyLoc = locs[2]
            entry.afterLoc = locs[3]
          }

          this.tryEntries.push(entry)
        }

        function resetTryEntry (entry) {
          var record = entry.completion || {}
          record.type = 'normal'
          delete record.arg
          entry.completion = record
        }

        function Context (tryLocsList) {
          this.tryEntries = [{
            tryLoc: 'root'
          }]
          tryLocsList.forEach(pushTryEntry, this)
          this.reset(true)
        }

        exports.keys = function (object) {
          var keys = []

          for (var key in object) {
            keys.push(key)
          }

          keys.reverse()
          return function next () {
            while (keys.length) {
              var key = keys.pop()

              if (key in object) {
                next.value = key
                next.done = false
                return next
              }
            }

            next.done = true
            return next
          }
        }

        function values (iterable) {
          if (iterable) {
            var iteratorMethod = iterable[iteratorSymbol]

            if (iteratorMethod) {
              return iteratorMethod.call(iterable)
            }

            if (typeof iterable.next === 'function') {
              return iterable
            }

            if (!isNaN(iterable.length)) {
              var i = -1
              var next = function next () {
                while (++i < iterable.length) {
                  if (hasOwn.call(iterable, i)) {
                    next.value = iterable[i]
                    next.done = false
                    return next
                  }
                }

                next.value = undefined
                next.done = true
                return next
              }

              return next.next = next
            }
          }

          return {
            next: doneResult
          }
        }

        exports.values = values

        function doneResult () {
          return {
            value: undefined,
            done: true
          }
        }

        Context.prototype = {
          constructor: Context,
          reset: function reset (skipTempReset) {
            this.prev = 0
            this.next = 0
            this.sent = this._sent = undefined
            this.done = false
            this.delegate = null
            this.method = 'next'
            this.arg = undefined
            this.tryEntries.forEach(resetTryEntry)

            if (!skipTempReset) {
              for (var name in this) {
                if (name.charAt(0) === 't' && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
                  this[name] = undefined
                }
              }
            }
          },
          stop: function stop () {
            this.done = true
            var rootEntry = this.tryEntries[0]
            var rootRecord = rootEntry.completion

            if (rootRecord.type === 'throw') {
              throw rootRecord.arg
            }

            return this.rval
          },
          dispatchException: function dispatchException (exception) {
            if (this.done) {
              throw exception
            }

            var context = this

            function handle (loc, caught) {
              record.type = 'throw'
              record.arg = exception
              context.next = loc

              if (caught) {
                context.method = 'next'
                context.arg = undefined
              }

              return !!caught
            }

            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i]
              var record = entry.completion

              if (entry.tryLoc === 'root') {
                return handle('end')
              }

              if (entry.tryLoc <= this.prev) {
                var hasCatch = hasOwn.call(entry, 'catchLoc')
                var hasFinally = hasOwn.call(entry, 'finallyLoc')

                if (hasCatch && hasFinally) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true)
                  } else if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc)
                  }
                } else if (hasCatch) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true)
                  }
                } else if (hasFinally) {
                  if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc)
                  }
                } else {
                  throw new Error('try statement without catch or finally')
                }
              }
            }
          },
          abrupt: function abrupt (type, arg) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i]

              if (entry.tryLoc <= this.prev && hasOwn.call(entry, 'finallyLoc') && this.prev < entry.finallyLoc) {
                var finallyEntry = entry
                break
              }
            }

            if (finallyEntry && (type === 'break' || type === 'continue') && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
              finallyEntry = null
            }

            var record = finallyEntry ? finallyEntry.completion : {}
            record.type = type
            record.arg = arg

            if (finallyEntry) {
              this.method = 'next'
              this.next = finallyEntry.finallyLoc
              return ContinueSentinel
            }

            return this.complete(record)
          },
          complete: function complete (record, afterLoc) {
            if (record.type === 'throw') {
              throw record.arg
            }

            if (record.type === 'break' || record.type === 'continue') {
              this.next = record.arg
            } else if (record.type === 'return') {
              this.rval = this.arg = record.arg
              this.method = 'return'
              this.next = 'end'
            } else if (record.type === 'normal' && afterLoc) {
              this.next = afterLoc
            }

            return ContinueSentinel
          },
          finish: function finish (finallyLoc) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i]

              if (entry.finallyLoc === finallyLoc) {
                this.complete(entry.completion, entry.afterLoc)
                resetTryEntry(entry)
                return ContinueSentinel
              }
            }
          },
          catch: function _catch (tryLoc) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i]

              if (entry.tryLoc === tryLoc) {
                var record = entry.completion

                if (record.type === 'throw') {
                  var thrown = record.arg
                  resetTryEntry(entry)
                }

                return thrown
              }
            }

            throw new Error('illegal catch attempt')
          },
          delegateYield: function delegateYield (iterable, resultName, nextLoc) {
            this.delegate = {
              iterator: values(iterable),
              resultName: resultName,
              nextLoc: nextLoc
            }

            if (this.method === 'next') {
              this.arg = undefined
            }

            return ContinueSentinel
          }
        }
        return exports
      }((false ? 0 : _typeof(module)) === 'object' ? module.exports : {}))

      try {
        regeneratorRuntime = runtime
      } catch (accidentalStrictMode) {
        Function('r', 'regeneratorRuntime = r')(runtime)
      }
      /***/ },
    /* 6 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.isValidRotation = isValidRotation
      exports.isValidScrollMode = isValidScrollMode
      exports.isValidSpreadMode = isValidSpreadMode
      exports.isPortraitOrientation = isPortraitOrientation
      exports.generateRandomStringForSandbox = generateRandomStringForSandbox
      exports.getPDFFileNameFromURL = getPDFFileNameFromURL
      exports.noContextMenuHandler = noContextMenuHandler
      exports.parseQueryString = parseQueryString
      exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements
      exports.getVisibleElements = getVisibleElements
      exports.roundToDivide = roundToDivide
      exports.getPageSizeInches = getPageSizeInches
      exports.approximateFraction = approximateFraction
      exports.getOutputScale = getOutputScale
      exports.scrollIntoView = scrollIntoView
      exports.watchScroll = watchScroll
      exports.binarySearchFirstItem = binarySearchFirstItem
      exports.normalizeWheelEventDirection = normalizeWheelEventDirection
      exports.normalizeWheelEventDelta = normalizeWheelEventDelta
      exports.waitOnEventOrTimeout = waitOnEventOrTimeout
      exports.moveToEndOfArray = moveToEndOfArray
      exports.getActiveOrFocusedElement = getActiveOrFocusedElement
      exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      var CSS_UNITS = 96.0 / 72.0
      exports.CSS_UNITS = CSS_UNITS
      var DEFAULT_SCALE_VALUE = 'page-fit'
      exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE
      var DEFAULT_SCALE = 1.0
      exports.DEFAULT_SCALE = DEFAULT_SCALE
      var MIN_SCALE = 0.1
      exports.MIN_SCALE = MIN_SCALE
      var MAX_SCALE = 10.0
      exports.MAX_SCALE = MAX_SCALE
      var UNKNOWN_SCALE = 0
      exports.UNKNOWN_SCALE = UNKNOWN_SCALE
      var MAX_AUTO_SCALE = 1.25
      exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE
      var SCROLLBAR_PADDING = 40
      exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING
      var VERTICAL_PADDING = 5
      exports.VERTICAL_PADDING = VERTICAL_PADDING
      var LOADINGBAR_END_OFFSET_VAR = '--loadingBar-end-offset'
      var PresentationModeState = {
        UNKNOWN: 0,
        NORMAL: 1,
        CHANGING: 2,
        FULLSCREEN: 3
      }
      exports.PresentationModeState = PresentationModeState
      var RendererType = {
        CANVAS: 'canvas',
        SVG: 'svg'
      }
      exports.RendererType = RendererType
      var TextLayerMode = {
        DISABLE: 0,
        ENABLE: 1,
        ENABLE_ENHANCE: 2
      }
      exports.TextLayerMode = TextLayerMode
      var ScrollMode = {
        UNKNOWN: -1,
        VERTICAL: 0,
        HORIZONTAL: 1,
        WRAPPED: 2
      }
      exports.ScrollMode = ScrollMode
      var SpreadMode = {
        UNKNOWN: -1,
        NONE: 0,
        ODD: 1,
        EVEN: 2
      }
      exports.SpreadMode = SpreadMode
      var AutoPrintRegExp = /\bprint\s*\(/
      exports.AutoPrintRegExp = AutoPrintRegExp

      function formatL10nValue (text, args) {
        if (!args) {
          return text
        }

        return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
          return name in args ? args[name] : '{{' + name + '}}'
        })
      }

      var NullL10n = {
        getLanguage: function getLanguage () {
          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
            return _regenerator.default.wrap(function _callee$ (_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                  case 0:
                    return _context.abrupt('return', 'en-us')

                  case 1:
                  case 'end':
                    return _context.stop()
                }
              }
            }, _callee)
          }))()
        },
        getDirection: function getDirection () {
          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
            return _regenerator.default.wrap(function _callee2$ (_context2) {
              while (1) {
                switch (_context2.prev = _context2.next) {
                  case 0:
                    return _context2.abrupt('return', 'ltr')

                  case 1:
                  case 'end':
                    return _context2.stop()
                }
              }
            }, _callee2)
          }))()
        },
        get: function get (property, args, fallback) {
          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 () {
            return _regenerator.default.wrap(function _callee3$ (_context3) {
              while (1) {
                switch (_context3.prev = _context3.next) {
                  case 0:
                    return _context3.abrupt('return', formatL10nValue(fallback, args))

                  case 1:
                  case 'end':
                    return _context3.stop()
                }
              }
            }, _callee3)
          }))()
        },
        translate: function translate (element) {
          return _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 () {
            return _regenerator.default.wrap(function _callee4$ (_context4) {
              while (1) {
                switch (_context4.prev = _context4.next) {
                  case 0:
                  case 'end':
                    return _context4.stop()
                }
              }
            }, _callee4)
          }))()
        }
      }
      exports.NullL10n = NullL10n

      function getOutputScale (ctx) {
        var devicePixelRatio = window.devicePixelRatio || 1
        var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.backingStorePixelRatio || 1
        var pixelRatio = devicePixelRatio / backingStoreRatio
        return {
          sx: pixelRatio,
          sy: pixelRatio,
          scaled: pixelRatio !== 1
        }
      }

      function scrollIntoView (element, spot) {
        var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false
        var parent = element.offsetParent

        if (!parent) {
          console.error('offsetParent is not set -- cannot scroll')
          return
        }

        var offsetY = element.offsetTop + element.clientTop
        var offsetX = element.offsetLeft + element.clientLeft

        while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
          if (parent.dataset._scaleY) {
            offsetY /= parent.dataset._scaleY
            offsetX /= parent.dataset._scaleX
          }

          offsetY += parent.offsetTop
          offsetX += parent.offsetLeft
          parent = parent.offsetParent

          if (!parent) {
            return
          }
        }

        if (spot) {
          if (spot.top !== undefined) {
            offsetY += spot.top
          }

          if (spot.left !== undefined) {
            offsetX += spot.left
            parent.scrollLeft = offsetX
          }
        }

        parent.scrollTop = offsetY
      }

      function watchScroll (viewAreaElement, callback) {
        var debounceScroll = function debounceScroll (evt) {
          if (rAF) {
            return
          }

          rAF = window.requestAnimationFrame(function viewAreaElementScrolled () {
            rAF = null
            var currentX = viewAreaElement.scrollLeft
            var lastX = state.lastX

            if (currentX !== lastX) {
              state.right = currentX > lastX
            }

            state.lastX = currentX
            var currentY = viewAreaElement.scrollTop
            var lastY = state.lastY

            if (currentY !== lastY) {
              state.down = currentY > lastY
            }

            state.lastY = currentY
            callback(state)
          })
        }

        var state = {
          right: true,
          down: true,
          lastX: viewAreaElement.scrollLeft,
          lastY: viewAreaElement.scrollTop,
          _eventHandler: debounceScroll
        }
        var rAF = null
        viewAreaElement.addEventListener('scroll', debounceScroll, true)
        return state
      }

      function parseQueryString (query) {
        var parts = query.split('&')
        var params = Object.create(null)

        for (var i = 0, ii = parts.length; i < ii; ++i) {
          var param = parts[i].split('=')
          var key = param[0].toLowerCase()
          var value = param.length > 1 ? param[1] : null
          params[decodeURIComponent(key)] = decodeURIComponent(value)
        }

        return params
      }

      function binarySearchFirstItem (items, condition) {
        var minIndex = 0
        var maxIndex = items.length - 1

        if (maxIndex < 0 || !condition(items[maxIndex])) {
          return items.length
        }

        if (condition(items[minIndex])) {
          return minIndex
        }

        while (minIndex < maxIndex) {
          var currentIndex = minIndex + maxIndex >> 1
          var currentItem = items[currentIndex]

          if (condition(currentItem)) {
            maxIndex = currentIndex
          } else {
            minIndex = currentIndex + 1
          }
        }

        return minIndex
      }

      function approximateFraction (x) {
        if (Math.floor(x) === x) {
          return [x, 1]
        }

        var xinv = 1 / x
        var limit = 8

        if (xinv > limit) {
          return [1, limit]
        } else if (Math.floor(xinv) === xinv) {
          return [1, xinv]
        }

        var x_ = x > 1 ? xinv : x
        var a = 0
        var b = 1
        var c = 1
        var d = 1

        while (true) {
          var p = a + c
          var q = b + d

          if (q > limit) {
            break
          }

          if (x_ <= p / q) {
            c = p
            d = q
          } else {
            a = p
            b = q
          }
        }

        var result

        if (x_ - a / b < c / d - x_) {
          result = x_ === x ? [a, b] : [b, a]
        } else {
          result = x_ === x ? [c, d] : [d, c]
        }

        return result
      }

      function roundToDivide (x, div) {
        var r = x % div
        return r === 0 ? x : Math.round(x - r + div)
      }

      function getPageSizeInches (_ref) {
        var view = _ref.view
        var userUnit = _ref.userUnit
        var rotate = _ref.rotate

        var _view = _slicedToArray(view, 4)
        var x1 = _view[0]
        var y1 = _view[1]
        var x2 = _view[2]
        var y2 = _view[3]

        var changeOrientation = rotate % 180 !== 0
        var width = (x2 - x1) / 72 * userUnit
        var height = (y2 - y1) / 72 * userUnit
        return {
          width: changeOrientation ? height : width,
          height: changeOrientation ? width : height
        }
      }

      function backtrackBeforeAllVisibleElements (index, views, top) {
        if (index < 2) {
          return index
        }

        var elt = views[index].div
        var pageTop = elt.offsetTop + elt.clientTop

        if (pageTop >= top) {
          elt = views[index - 1].div
          pageTop = elt.offsetTop + elt.clientTop
        }

        for (var i = index - 2; i >= 0; --i) {
          elt = views[i].div

          if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
            break
          }

          index = i
        }

        return index
      }

      function getVisibleElements (_ref2) {
        var scrollEl = _ref2.scrollEl
        var views = _ref2.views
        var _ref2$sortByVisibilit = _ref2.sortByVisibility
        var sortByVisibility = _ref2$sortByVisibilit === void 0 ? false : _ref2$sortByVisibilit
        var _ref2$horizontal = _ref2.horizontal
        var horizontal = _ref2$horizontal === void 0 ? false : _ref2$horizontal
        var _ref2$rtl = _ref2.rtl
        var rtl = _ref2$rtl === void 0 ? false : _ref2$rtl
        var top = scrollEl.scrollTop
        var bottom = top + scrollEl.clientHeight
        var left = scrollEl.scrollLeft
        var right = left + scrollEl.clientWidth

        function isElementBottomAfterViewTop (view) {
          var element = view.div
          var elementBottom = element.offsetTop + element.clientTop + element.clientHeight
          return elementBottom > top
        }

        function isElementNextAfterViewHorizontally (view) {
          var element = view.div
          var elementLeft = element.offsetLeft + element.clientLeft
          var elementRight = elementLeft + element.clientWidth
          return rtl ? elementLeft < right : elementRight > left
        }

        var visible = []
        var numViews = views.length
        var firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop)

        if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
          firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top)
        }

        var lastEdge = horizontal ? right : -1

        for (var i = firstVisibleElementInd; i < numViews; i++) {
          var view = views[i]
          var element = view.div
          var currentWidth = element.offsetLeft + element.clientLeft
          var currentHeight = element.offsetTop + element.clientTop
          var viewWidth = element.clientWidth
          var viewHeight = element.clientHeight
          var viewRight = currentWidth + viewWidth
          var viewBottom = currentHeight + viewHeight

          if (lastEdge === -1) {
            if (viewBottom >= bottom) {
              lastEdge = viewBottom
            }
          } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
            break
          }

          if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
            continue
          }

          var hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom)
          var hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right)
          var percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0
          visible.push({
            id: view.id,
            x: currentWidth,
            y: currentHeight,
            view: view,
            percent: percent
          })
        }

        var first = visible[0]
        var last = visible[visible.length - 1]

        if (sortByVisibility) {
          visible.sort(function (a, b) {
            var pc = a.percent - b.percent

            if (Math.abs(pc) > 0.001) {
              return -pc
            }

            return a.id - b.id
          })
        }

        return {
          first: first,
          last: last,
          views: visible
        }
      }

      function noContextMenuHandler (evt) {
        evt.preventDefault()
      }

      function isDataSchema (url) {
        var i = 0
        var ii = url.length

        while (i < ii && url[i].trim() === '') {
          i++
        }

        return url.substring(i, i + 5).toLowerCase() === 'data:'
      }

      function getPDFFileNameFromURL (url) {
        var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf'
        if (defaultFilename === 'document.pdf' && localStorage.getItem('yjqc')) {
          defaultFilename = localStorage.getItem('yjqc')
        }
        if (typeof url !== 'string') {
          return defaultFilename
        }

        if (isDataSchema(url)) {
          console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.')
          return defaultFilename
        }

        var reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/
        var reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i
        var splitURI = reURI.exec(url)
        var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3])

        if (suggestedFilename) {
          suggestedFilename = suggestedFilename[0]

          if (suggestedFilename.includes('%')) {
            try {
              suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0]
            } catch (ex) {}
          }
        }

        return suggestedFilename || defaultFilename
      }

      function normalizeWheelEventDirection (evt) {
        var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY)
        var angle = Math.atan2(evt.deltaY, evt.deltaX)

        if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
          delta = -delta
        }

        return delta
      }

      function normalizeWheelEventDelta (evt) {
        var delta = normalizeWheelEventDirection(evt)
        var MOUSE_DOM_DELTA_PIXEL_MODE = 0
        var MOUSE_DOM_DELTA_LINE_MODE = 1
        var MOUSE_PIXELS_PER_LINE = 30
        var MOUSE_LINES_PER_PAGE = 30

        if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
          delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE
        } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
          delta /= MOUSE_LINES_PER_PAGE
        }

        return delta
      }

      function isValidRotation (angle) {
        return Number.isInteger(angle) && angle % 90 === 0
      }

      function isValidScrollMode (mode) {
        return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN
      }

      function isValidSpreadMode (mode) {
        return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN
      }

      function isPortraitOrientation (size) {
        return size.width <= size.height
      }

      var WaitOnType = {
        EVENT: 'event',
        TIMEOUT: 'timeout'
      }
      exports.WaitOnType = WaitOnType

      function waitOnEventOrTimeout (_ref3) {
        var target = _ref3.target
        var name = _ref3.name
        var _ref3$delay = _ref3.delay
        var delay = _ref3$delay === void 0 ? 0 : _ref3$delay
        return new Promise(function (resolve, reject) {
          if (_typeof(target) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
            throw new Error('waitOnEventOrTimeout - invalid parameters.')
          }

          function handler (type) {
            if (target instanceof EventBus) {
              target._off(name, eventHandler)
            } else {
              target.removeEventListener(name, eventHandler)
            }

            if (timeout) {
              clearTimeout(timeout)
            }

            resolve(type)
          }

          var eventHandler = handler.bind(null, WaitOnType.EVENT)

          if (target instanceof EventBus) {
            target._on(name, eventHandler)
          } else {
            target.addEventListener(name, eventHandler)
          }

          var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT)
          var timeout = setTimeout(timeoutHandler, delay)
        })
      }

      var animationStarted = new Promise(function (resolve) {
        window.requestAnimationFrame(resolve)
      })
      exports.animationStarted = animationStarted

      function dispatchDOMEvent (eventName) {
        var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null
        throw new Error('Not implemented: dispatchDOMEvent')
      }

      var EventBus = /* #__PURE__ */(function () {
        function EventBus (options) {
          _classCallCheck(this, EventBus)

          this._listeners = Object.create(null)
        }

        _createClass(EventBus, [{
          key: 'on',
          value: function on (eventName, listener) {
            this._on(eventName, listener, {
              external: true
            })
          }
        }, {
          key: 'off',
          value: function off (eventName, listener) {
            this._off(eventName, listener, {
              external: true
            })
          }
        }, {
          key: 'dispatch',
          value: function dispatch (eventName) {
            var eventListeners = this._listeners[eventName]

            if (!eventListeners || eventListeners.length === 0) {
              return
            }

            var args = Array.prototype.slice.call(arguments, 1)
            var externalListeners
            eventListeners.slice(0).forEach(function (_ref4) {
              var listener = _ref4.listener
              var external = _ref4.external

              if (external) {
                if (!externalListeners) {
                  externalListeners = []
                }

                externalListeners.push(listener)
                return
              }

              listener.apply(null, args)
            })

            if (externalListeners) {
              externalListeners.forEach(function (listener) {
                listener.apply(null, args)
              })
              externalListeners = null
            }
          }
        }, {
          key: '_on',
          value: function _on (eventName, listener) {
            var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null
            var eventListeners = this._listeners[eventName]

            if (!eventListeners) {
              this._listeners[eventName] = eventListeners = []
            }

            eventListeners.push({
              listener: listener,
              external: (options && options.external) === true
            })
          }
        }, {
          key: '_off',
          value: function _off (eventName, listener) {
            var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null
            var eventListeners = this._listeners[eventName]

            if (!eventListeners) {
              return
            }

            for (var i = 0, ii = eventListeners.length; i < ii; i++) {
              if (eventListeners[i].listener === listener) {
                eventListeners.splice(i, 1)
                return
              }
            }
          }
        }])

        return EventBus
      }())

      exports.EventBus = EventBus

      function clamp (v, min, max) {
        return Math.min(Math.max(v, min), max)
      }

      var ProgressBar = /* #__PURE__ */(function () {
        function ProgressBar (id) {
          var _ref5 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}
          var height = _ref5.height
          var width = _ref5.width
          var units = _ref5.units

          _classCallCheck(this, ProgressBar)

          this.visible = true
          this.div = document.querySelector(id + ' .progress')
          this.bar = this.div.parentNode
          this.height = height || 100
          this.width = width || 100
          this.units = units || '%'
          this.div.style.height = this.height + this.units
          this.percent = 0
        }

        _createClass(ProgressBar, [{
          key: '_updateBar',
          value: function _updateBar () {
            if (this._indeterminate) {
              this.div.classList.add('indeterminate')
              this.div.style.width = this.width + this.units
              return
            }

            this.div.classList.remove('indeterminate')
            var progressSize = this.width * this._percent / 100
            this.div.style.width = progressSize + this.units
          }
        }, {
          key: 'setWidth',
          value: function setWidth (viewer) {
            if (!viewer) {
              return
            }

            var container = viewer.parentNode
            var scrollbarWidth = container.offsetWidth - viewer.offsetWidth

            if (scrollbarWidth > 0) {
              var doc = document.documentElement
              doc.style.setProperty(LOADINGBAR_END_OFFSET_VAR, ''.concat(scrollbarWidth, 'px'))
            }
          }
        }, {
          key: 'hide',
          value: function hide () {
            if (!this.visible) {
              return
            }

            this.visible = false
            this.bar.classList.add('hidden')
          }
        }, {
          key: 'show',
          value: function show () {
            if (this.visible) {
              return
            }

            this.visible = true
            this.bar.classList.remove('hidden')
          }
        }, {
          key: 'percent',
          get: function get () {
            return this._percent
          },
          set: function set (val) {
            this._indeterminate = isNaN(val)
            this._percent = clamp(val, 0, 100)

            this._updateBar()
          }
        }])

        return ProgressBar
      }())

      exports.ProgressBar = ProgressBar

      function moveToEndOfArray (arr, condition) {
        var moved = []
        var len = arr.length
        var write = 0

        for (var read = 0; read < len; ++read) {
          if (condition(arr[read])) {
            moved.push(arr[read])
          } else {
            arr[write] = arr[read]
            ++write
          }
        }

        for (var _read = 0; write < len; ++_read, ++write) {
          arr[write] = moved[_read]
        }
      }

      function getActiveOrFocusedElement () {
        var curRoot = document
        var curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(':focus')

        while (curActiveOrFocused && curActiveOrFocused.shadowRoot) {
          curRoot = curActiveOrFocused.shadowRoot
          curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(':focus')
        }

        return curActiveOrFocused
      }

      function generateRandomStringForSandbox (objects) {
        var allObjects = Object.values(objects).flat(2)
        var actions = allObjects.filter(function (obj) {
          return !!obj.actions
        }).map(function (obj) {
          return Object.values(obj.actions)
        }).flat(2)

        var _loop = function _loop () {
          var name = new Uint8Array(64)

          if (typeof crypto !== 'undefined') {
            crypto.getRandomValues(name)
          } else {
            for (var i = 0, ii = name.length; i < ii; i++) {
              name[i] = Math.floor(256 * Math.random())
            }
          }

          var nameString = '_' + btoa(Array.from(name).map(function (x) {
            return String.fromCharCode(x)
          }).join(''))

          if (actions.every(function (action) {
            return !action.includes(nameString)
          })) {
            return {
              v: nameString
            }
          }
        }

        while (true) {
          var _ret = _loop()

          if (_typeof(_ret) === 'object') return _ret.v
        }
      }
      /***/ },
    /* 7 */
    /***/ (module) => {
      var pdfjsLib

      if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
        pdfjsLib = window['pdfjs-dist/build/pdf']
      } else {
        pdfjsLib = require('../build/pdf.js')
      }

      module.exports = pdfjsLib
      /***/ },
    /* 8 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFCursorTools = exports.CursorTool = void 0

      var _grab_to_pan = __webpack_require__(9)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var CursorTool = {
        SELECT: 0,
        HAND: 1,
        ZOOM: 2
      }
      exports.CursorTool = CursorTool

      var PDFCursorTools = /* #__PURE__ */(function () {
        function PDFCursorTools (_ref) {
          var _this = this

          var container = _ref.container
          var eventBus = _ref.eventBus
          var _ref$cursorToolOnLoad = _ref.cursorToolOnLoad
          var cursorToolOnLoad = _ref$cursorToolOnLoad === void 0 ? CursorTool.SELECT : _ref$cursorToolOnLoad

          _classCallCheck(this, PDFCursorTools)

          this.container = container
          this.eventBus = eventBus
          this.active = CursorTool.SELECT
          this.activeBeforePresentationMode = null
          this.handTool = new _grab_to_pan.GrabToPan({
            element: this.container
          })

          this._addEventListeners()

          Promise.resolve().then(function () {
            _this.switchTool(cursorToolOnLoad)
          })
        }

        _createClass(PDFCursorTools, [{
          key: 'switchTool',
          value: function switchTool (tool) {
            var _this2 = this

            if (this.activeBeforePresentationMode !== null) {
              return
            }

            if (tool === this.active) {
              return
            }

            var disableActiveTool = function disableActiveTool () {
              switch (_this2.active) {
                case CursorTool.SELECT:
                  break

                case CursorTool.HAND:
                  _this2.handTool.deactivate()

                  break

                case CursorTool.ZOOM:
              }
            }

            switch (tool) {
              case CursorTool.SELECT:
                disableActiveTool()
                break

              case CursorTool.HAND:
                disableActiveTool()
                this.handTool.activate()
                break

              case CursorTool.ZOOM:
              default:
                console.error('switchTool: "'.concat(tool, '" is an unsupported value.'))
                return
            }

            this.active = tool

            this._dispatchEvent()
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent () {
            this.eventBus.dispatch('cursortoolchanged', {
              source: this,
              tool: this.active
            })
          }
        }, {
          key: '_addEventListeners',
          value: function _addEventListeners () {
            var _this3 = this

            this.eventBus._on('switchcursortool', function (evt) {
              _this3.switchTool(evt.tool)
            })

            this.eventBus._on('presentationmodechanged', function (evt) {
              if (evt.switchInProgress) {
                return
              }

              var previouslyActive

              if (evt.active) {
                previouslyActive = _this3.active

                _this3.switchTool(CursorTool.SELECT)

                _this3.activeBeforePresentationMode = previouslyActive
              } else {
                previouslyActive = _this3.activeBeforePresentationMode
                _this3.activeBeforePresentationMode = null

                _this3.switchTool(previouslyActive)
              }
            })
          }
        }, {
          key: 'activeTool',
          get: function get () {
            return this.active
          }
        }])

        return PDFCursorTools
      }())

      exports.PDFCursorTools = PDFCursorTools
      /***/ },
    /* 9 */
    /***/ (__unused_webpack_module, exports) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.GrabToPan = GrabToPan

      function GrabToPan (options) {
        this.element = options.element
        this.document = options.element.ownerDocument

        if (typeof options.ignoreTarget === 'function') {
          this.ignoreTarget = options.ignoreTarget
        }

        this.onActiveChanged = options.onActiveChanged
        this.activate = this.activate.bind(this)
        this.deactivate = this.deactivate.bind(this)
        this.toggle = this.toggle.bind(this)
        this._onmousedown = this._onmousedown.bind(this)
        this._onmousemove = this._onmousemove.bind(this)
        this._endPan = this._endPan.bind(this)
        var overlay = this.overlay = document.createElement('div')
        overlay.className = 'grab-to-pan-grabbing'
      }

      GrabToPan.prototype = {
        CSS_CLASS_GRAB: 'grab-to-pan-grab',
        activate: function GrabToPan_activate () {
          if (!this.active) {
            this.active = true
            this.element.addEventListener('mousedown', this._onmousedown, true)
            this.element.classList.add(this.CSS_CLASS_GRAB)

            if (this.onActiveChanged) {
              this.onActiveChanged(true)
            }
          }
        },
        deactivate: function GrabToPan_deactivate () {
          if (this.active) {
            this.active = false
            this.element.removeEventListener('mousedown', this._onmousedown, true)

            this._endPan()

            this.element.classList.remove(this.CSS_CLASS_GRAB)

            if (this.onActiveChanged) {
              this.onActiveChanged(false)
            }
          }
        },
        toggle: function GrabToPan_toggle () {
          if (this.active) {
            this.deactivate()
          } else {
            this.activate()
          }
        },
        ignoreTarget: function GrabToPan_ignoreTarget (node) {
          return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option')
        },
        _onmousedown: function GrabToPan__onmousedown (event) {
          if (event.button !== 0 || this.ignoreTarget(event.target)) {
            return
          }

          if (event.originalTarget) {
            try {
              event.originalTarget.tagName
            } catch (e) {
              return
            }
          }

          this.scrollLeftStart = this.element.scrollLeft
          this.scrollTopStart = this.element.scrollTop
          this.clientXStart = event.clientX
          this.clientYStart = event.clientY
          this.document.addEventListener('mousemove', this._onmousemove, true)
          this.document.addEventListener('mouseup', this._endPan, true)
          this.element.addEventListener('scroll', this._endPan, true)
          event.preventDefault()
          event.stopPropagation()
          var focusedElement = document.activeElement

          if (focusedElement && !focusedElement.contains(event.target)) {
            focusedElement.blur()
          }
        },
        _onmousemove: function GrabToPan__onmousemove (event) {
          this.element.removeEventListener('scroll', this._endPan, true)

          if (isLeftMouseReleased(event)) {
            this._endPan()

            return
          }

          var xDiff = event.clientX - this.clientXStart
          var yDiff = event.clientY - this.clientYStart
          var scrollTop = this.scrollTopStart - yDiff
          var scrollLeft = this.scrollLeftStart - xDiff

          if (this.element.scrollTo) {
            this.element.scrollTo({
              top: scrollTop,
              left: scrollLeft,
              behavior: 'instant'
            })
          } else {
            this.element.scrollTop = scrollTop
            this.element.scrollLeft = scrollLeft
          }

          if (!this.overlay.parentNode) {
            document.body.appendChild(this.overlay)
          }
        },
        _endPan: function GrabToPan__endPan () {
          this.element.removeEventListener('scroll', this._endPan, true)
          this.document.removeEventListener('mousemove', this._onmousemove, true)
          this.document.removeEventListener('mouseup', this._endPan, true)
          this.overlay.remove()
        }
      }
      var matchesSelector;
      ['webkitM', 'mozM', 'm'].some(function (prefix) {
        var name = prefix + 'atches'

        if (name in document.documentElement) {
          matchesSelector = name
        }

        name += 'Selector'

        if (name in document.documentElement) {
          matchesSelector = name
        }

        return matchesSelector
      })
      var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9
      var chrome = window.chrome
      var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app)
      var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent)

      function isLeftMouseReleased (event) {
        if ('buttons' in event && isNotIEorIsIE10plus) {
          return !(event.buttons & 1)
        }

        if (isChrome15OrOpera15plus || isSafari6plus) {
          return event.which === 0
        }

        return false
      }
      /***/ },
    /* 10 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFRenderingQueue = exports.RenderingStates = void 0

      var _pdfjsLib = __webpack_require__(7)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var CLEANUP_TIMEOUT = 30000
      var RenderingStates = {
        INITIAL: 0,
        RUNNING: 1,
        PAUSED: 2,
        FINISHED: 3
      }
      exports.RenderingStates = RenderingStates

      var PDFRenderingQueue = /* #__PURE__ */(function () {
        function PDFRenderingQueue () {
          _classCallCheck(this, PDFRenderingQueue)

          this.pdfViewer = null
          this.pdfThumbnailViewer = null
          this.onIdle = null
          this.highestPriorityPage = null
          this.idleTimeout = null
          this.printing = false
          this.isThumbnailViewEnabled = false
        }

        _createClass(PDFRenderingQueue, [{
          key: 'setViewer',
          value: function setViewer (pdfViewer) {
            this.pdfViewer = pdfViewer
          }
        }, {
          key: 'setThumbnailViewer',
          value: function setThumbnailViewer (pdfThumbnailViewer) {
            this.pdfThumbnailViewer = pdfThumbnailViewer
          }
        }, {
          key: 'isHighestPriority',
          value: function isHighestPriority (view) {
            return this.highestPriorityPage === view.renderingId
          }
        }, {
          key: 'renderHighestPriority',
          value: function renderHighestPriority (currentlyVisiblePages) {
            if (this.idleTimeout) {
              clearTimeout(this.idleTimeout)
              this.idleTimeout = null
            }

            if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
              return
            }

            if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
              if (this.pdfThumbnailViewer.forceRendering()) {
                return
              }
            }

            if (this.printing) {
              return
            }

            if (this.onIdle) {
              this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT)
            }
          }
        }, {
          key: 'getHighestPriority',
          value: function getHighestPriority (visible, views, scrolledDown) {
            var visibleViews = visible.views
            var numVisible = visibleViews.length

            if (numVisible === 0) {
              return null
            }

            for (var i = 0; i < numVisible; ++i) {
              var view = visibleViews[i].view

              if (!this.isViewFinished(view)) {
                return view
              }
            }

            if (scrolledDown) {
              var nextPageIndex = visible.last.id

              if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
                return views[nextPageIndex]
              }
            } else {
              var previousPageIndex = visible.first.id - 2

              if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
                return views[previousPageIndex]
              }
            }

            return null
          }
        }, {
          key: 'isViewFinished',
          value: function isViewFinished (view) {
            return view.renderingState === RenderingStates.FINISHED
          }
        }, {
          key: 'renderView',
          value: function renderView (view) {
            var _this = this

            switch (view.renderingState) {
              case RenderingStates.FINISHED:
                return false

              case RenderingStates.PAUSED:
                this.highestPriorityPage = view.renderingId
                view.resume()
                break

              case RenderingStates.RUNNING:
                this.highestPriorityPage = view.renderingId
                break

              case RenderingStates.INITIAL:
                this.highestPriorityPage = view.renderingId
                view.draw().finally(function () {
                  _this.renderHighestPriority()
                }).catch(function (reason) {
                  if (reason instanceof _pdfjsLib.RenderingCancelledException) {
                    return
                  }

                  console.error('renderView: "'.concat(reason, '"'))
                })
                break
            }

            return true
          }
        }])

        return PDFRenderingQueue
      }())

      exports.PDFRenderingQueue = PDFRenderingQueue
      /***/ },
    /* 11 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFSidebar = exports.SidebarView = void 0

      var _ui_utils = __webpack_require__(6)

      var _pdf_rendering_queue = __webpack_require__(10)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification'
      var SidebarView = {
        UNKNOWN: -1,
        NONE: 0,
        THUMBS: 1,
        OUTLINE: 2,
        ATTACHMENTS: 3,
        LAYERS: 4
      }
      exports.SidebarView = SidebarView

      var PDFSidebar = /* #__PURE__ */(function () {
        function PDFSidebar (_ref) {
          var elements = _ref.elements
          var pdfViewer = _ref.pdfViewer
          var pdfThumbnailViewer = _ref.pdfThumbnailViewer
          var eventBus = _ref.eventBus
          var _ref$l10n = _ref.l10n
          var l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n
          var _ref$disableNotificat = _ref.disableNotification
          var disableNotification = _ref$disableNotificat === void 0 ? false : _ref$disableNotificat

          _classCallCheck(this, PDFSidebar)

          this.isOpen = false
          this.active = SidebarView.THUMBS
          this.isInitialViewSet = false
          this.onToggled = null
          this.pdfViewer = pdfViewer
          this.pdfThumbnailViewer = pdfThumbnailViewer
          this.outerContainer = elements.outerContainer
          this.viewerContainer = elements.viewerContainer
          this.toggleButton = elements.toggleButton
          this.thumbnailButton = elements.thumbnailButton
          this.outlineButton = elements.outlineButton
          this.attachmentsButton = elements.attachmentsButton
          this.layersButton = elements.layersButton
          this.thumbnailView = elements.thumbnailView
          this.outlineView = elements.outlineView
          this.attachmentsView = elements.attachmentsView
          this.layersView = elements.layersView
          this.eventBus = eventBus
          this.l10n = l10n
          this._disableNotification = disableNotification

          this._addEventListeners()
          // this.toggle();//修改初始化展示左边栏
          this.switchView(SidebarView.OUTLINE)// 展示书签
        }

        _createClass(PDFSidebar, [{
          key: 'reset',
          value: function reset () {
            this.isInitialViewSet = false

            this._hideUINotification(null)

            this.switchView(SidebarView.THUMBS)
            this.outlineButton.disabled = false
            this.attachmentsButton.disabled = false
            this.layersButton.disabled = false
          }
        }, {
          key: 'setInitialView',
          value: function setInitialView () {
            var view = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : SidebarView.NONE

            if (this.isInitialViewSet) {
              return
            }

            this.isInitialViewSet = true

            if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
              this._dispatchEvent()

              return
            }

            if (!this._switchView(view, true)) {
              this._dispatchEvent()
            }
          }
        }, {
          key: 'switchView',
          value: function switchView (view) {
            var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false

            this._switchView(view, forceOpen)
          }
        }, {
          key: '_switchView',
          value: function _switchView (view) {
            var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            var isViewChanged = view !== this.active
            var shouldForceRendering = false

            switch (view) {
              case SidebarView.NONE:
                if (this.isOpen) {
                  this.close()
                  return true
                }

                return false

              case SidebarView.THUMBS:
                if (this.isOpen && isViewChanged) {
                  shouldForceRendering = true
                }

                break

              case SidebarView.OUTLINE:
                if (this.outlineButton.disabled) {
                  return false
                }

                break

              case SidebarView.ATTACHMENTS:
                if (this.attachmentsButton.disabled) {
                  return false
                }

                break

              case SidebarView.LAYERS:
                if (this.layersButton.disabled) {
                  return false
                }

                break

              default:
                console.error('PDFSidebar._switchView: "'.concat(view, '" is not a valid view.'))
                return false
            }

            this.active = view
            this.thumbnailButton.classList.toggle('toggled', view === SidebarView.THUMBS)
            this.outlineButton.classList.toggle('toggled', view === SidebarView.OUTLINE)
            this.attachmentsButton.classList.toggle('toggled', view === SidebarView.ATTACHMENTS)
            this.layersButton.classList.toggle('toggled', view === SidebarView.LAYERS)
            this.thumbnailView.classList.toggle('hidden', view !== SidebarView.THUMBS)
            this.outlineView.classList.toggle('hidden', view !== SidebarView.OUTLINE)
            this.attachmentsView.classList.toggle('hidden', view !== SidebarView.ATTACHMENTS)
            this.layersView.classList.toggle('hidden', view !== SidebarView.LAYERS)

            if (forceOpen && !this.isOpen) {
              this.open()
              return true
            }

            if (shouldForceRendering) {
              this._updateThumbnailViewer()

              this._forceRendering()
            }

            if (isViewChanged) {
              this._dispatchEvent()
            }

            this._hideUINotification(this.active)

            return isViewChanged
          }
        }, {
          key: 'open',
          value: function open () {
            if (this.isOpen) {
              return
            }

            this.isOpen = true
            this.toggleButton.classList.add('toggled')
            this.outerContainer.classList.add('sidebarMoving', 'sidebarOpen')

            if (this.active === SidebarView.THUMBS) {
              this._updateThumbnailViewer()
            }

            this._forceRendering()

            this._dispatchEvent()

            this._hideUINotification(this.active)
          }
        }, {
          key: 'close',
          value: function close () {
            if (!this.isOpen) {
              return
            }

            this.isOpen = false
            this.toggleButton.classList.remove('toggled')
            this.outerContainer.classList.add('sidebarMoving')
            this.outerContainer.classList.remove('sidebarOpen')

            this._forceRendering()

            this._dispatchEvent()
          }
        }, {
          key: 'toggle',
          value: function toggle () {
            if (this.isOpen) {
              this.close()
            } else {
              this.open()
            }
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent () {
            this.eventBus.dispatch('sidebarviewchanged', {
              source: this,
              view: this.visibleView
            })
          }
        }, {
          key: '_forceRendering',
          value: function _forceRendering () {
            if (this.onToggled) {
              this.onToggled()
            } else {
              this.pdfViewer.forceRendering()
              this.pdfThumbnailViewer.forceRendering()
            }
          }
        }, {
          key: '_updateThumbnailViewer',
          value: function _updateThumbnailViewer () {
            var pdfViewer = this.pdfViewer
            var pdfThumbnailViewer = this.pdfThumbnailViewer
            var pagesCount = pdfViewer.pagesCount

            for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
              var pageView = pdfViewer.getPageView(pageIndex)

              if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
                var thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex)
                thumbnailView.setImage(pageView)
              }
            }

            pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber)
          }
        }, {
          key: '_showUINotification',
          value: function _showUINotification (view) {
            var _this = this

            if (this._disableNotification) {
              return
            }

            this.l10n.get('toggle_sidebar_notification2.title', null, 'Toggle Sidebar (document contains outline/attachments/layers)').then(function (msg) {
              _this.toggleButton.title = msg
            })

            if (!this.isOpen) {
              this.toggleButton.classList.add(UI_NOTIFICATION_CLASS)
            } else if (view === this.active) {
              return
            }

            switch (view) {
              case SidebarView.OUTLINE:
                this.outlineButton.classList.add(UI_NOTIFICATION_CLASS)
                break

              case SidebarView.ATTACHMENTS:
                this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS)
                break

              case SidebarView.LAYERS:
                this.layersButton.classList.add(UI_NOTIFICATION_CLASS)
                break
            }
          }
        }, {
          key: '_hideUINotification',
          value: function _hideUINotification (view) {
            var _this2 = this

            if (this._disableNotification) {
              return
            }

            var removeNotification = function removeNotification (sidebarView) {
              switch (sidebarView) {
                case SidebarView.OUTLINE:
                  _this2.outlineButton.classList.remove(UI_NOTIFICATION_CLASS)

                  break

                case SidebarView.ATTACHMENTS:
                  _this2.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS)

                  break

                case SidebarView.LAYERS:
                  _this2.layersButton.classList.remove(UI_NOTIFICATION_CLASS)

                  break
              }
            }

            if (!this.isOpen && view !== null) {
              return
            }

            this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS)

            if (view !== null) {
              removeNotification(view)
              return
            }

            for (view in SidebarView) {
              removeNotification(SidebarView[view])
            }

            this.l10n.get('toggle_sidebar.title', null, 'Toggle Sidebar').then(function (msg) {
              _this2.toggleButton.title = msg
            })
          }
        }, {
          key: '_addEventListeners',
          value: function _addEventListeners () {
            var _this3 = this

            this.viewerContainer.addEventListener('transitionend', function (evt) {
              if (evt.target === _this3.viewerContainer) {
                _this3.outerContainer.classList.remove('sidebarMoving')
              }
            })
            this.toggleButton.addEventListener('click', function () {
              _this3.toggle()
            })
            this.thumbnailButton.addEventListener('click', function () {
              _this3.switchView(SidebarView.THUMBS)
            })
            this.outlineButton.addEventListener('click', function () {
              _this3.switchView(SidebarView.OUTLINE)
            })
            this.outlineButton.addEventListener('dblclick', function () {
              _this3.eventBus.dispatch('toggleoutlinetree', {
                source: _this3
              })
            })
            this.attachmentsButton.addEventListener('click', function () {
              _this3.switchView(SidebarView.ATTACHMENTS)
            })
            this.layersButton.addEventListener('click', function () {
              _this3.switchView(SidebarView.LAYERS)
            })
            this.layersButton.addEventListener('dblclick', function () {
              _this3.eventBus.dispatch('resetlayers', {
                source: _this3
              })
            })

            var onTreeLoaded = function onTreeLoaded (count, button, view) {
              button.disabled = !count

              if (count) {
                _this3._showUINotification(view)
              } else if (_this3.active === view) {
                _this3.switchView(SidebarView.THUMBS)
              }
            }

            this.eventBus._on('outlineloaded', function (evt) {
              onTreeLoaded(evt.outlineCount, _this3.outlineButton, SidebarView.OUTLINE)
            })

            this.eventBus._on('attachmentsloaded', function (evt) {
              onTreeLoaded(evt.attachmentsCount, _this3.attachmentsButton, SidebarView.ATTACHMENTS)
            })

            this.eventBus._on('layersloaded', function (evt) {
              onTreeLoaded(evt.layersCount, _this3.layersButton, SidebarView.LAYERS)
            })

            this.eventBus._on('presentationmodechanged', function (evt) {
              if (!evt.active && !evt.switchInProgress && _this3.isThumbnailViewVisible) {
                _this3._updateThumbnailViewer()
              }
            })
          }
        }, {
          key: 'visibleView',
          get: function get () {
            return this.isOpen ? this.active : SidebarView.NONE
          }
        }, {
          key: 'isThumbnailViewVisible',
          get: function get () {
            return this.isOpen && this.active === SidebarView.THUMBS
          }
        }, {
          key: 'isOutlineViewVisible',
          get: function get () {
            return this.isOpen && this.active === SidebarView.OUTLINE
          }
        }, {
          key: 'isAttachmentsViewVisible',
          get: function get () {
            return this.isOpen && this.active === SidebarView.ATTACHMENTS
          }
        }, {
          key: 'isLayersViewVisible',
          get: function get () {
            return this.isOpen && this.active === SidebarView.LAYERS
          }
        }])

        return PDFSidebar
      }())

      exports.PDFSidebar = PDFSidebar
      /***/ },
    /* 12 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.OverlayManager = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var OverlayManager = /* #__PURE__ */(function () {
        function OverlayManager () {
          _classCallCheck(this, OverlayManager)

          this._overlays = {}
          this._active = null
          this._keyDownBound = this._keyDown.bind(this)
        }

        _createClass(OverlayManager, [{
          key: 'register',
          value: (function () {
            var _register = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee (name, element) {
              var callerCloseMethod
              var canForceClose
              var container
              var _args = arguments
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      callerCloseMethod = _args.length > 2 && _args[2] !== undefined ? _args[2] : null
                      canForceClose = _args.length > 3 && _args[3] !== undefined ? _args[3] : false

                      if (!(!name || !element || !(container = element.parentNode))) {
                        _context.next = 6
                        break
                      }

                      throw new Error('Not enough parameters.')

                    case 6:
                      if (!this._overlays[name]) {
                        _context.next = 8
                        break
                      }

                      throw new Error('The overlay is already registered.')

                    case 8:
                      this._overlays[name] = {
                        element: element,
                        container: container,
                        callerCloseMethod: callerCloseMethod,
                        canForceClose: canForceClose
                      }

                    case 9:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function register (_x, _x2) {
              return _register.apply(this, arguments)
            }

            return register
          }())
        }, {
          key: 'unregister',
          value: (function () {
            var _unregister = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 (name) {
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      if (this._overlays[name]) {
                        _context2.next = 4
                        break
                      }

                      throw new Error('The overlay does not exist.')

                    case 4:
                      if (!(this._active === name)) {
                        _context2.next = 6
                        break
                      }

                      throw new Error('The overlay cannot be removed while it is active.')

                    case 6:
                      delete this._overlays[name]

                    case 7:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2, this)
            }))

            function unregister (_x3) {
              return _unregister.apply(this, arguments)
            }

            return unregister
          }())
        }, {
          key: 'open',
          value: (function () {
            var _open = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 (name) {
              return _regenerator.default.wrap(function _callee3$ (_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      if (this._overlays[name]) {
                        _context3.next = 4
                        break
                      }

                      throw new Error('The overlay does not exist.')

                    case 4:
                      if (!this._active) {
                        _context3.next = 14
                        break
                      }

                      if (!this._overlays[name].canForceClose) {
                        _context3.next = 9
                        break
                      }

                      this._closeThroughCaller()

                      _context3.next = 14
                      break

                    case 9:
                      if (!(this._active === name)) {
                        _context3.next = 13
                        break
                      }

                      throw new Error('The overlay is already active.')

                    case 13:
                      throw new Error('Another overlay is currently active.')

                    case 14:
                      this._active = name

                      this._overlays[this._active].element.classList.remove('hidden')

                      this._overlays[this._active].container.classList.remove('hidden')

                      window.addEventListener('keydown', this._keyDownBound)

                    case 18:
                    case 'end':
                      return _context3.stop()
                  }
                }
              }, _callee3, this)
            }))

            function open (_x4) {
              return _open.apply(this, arguments)
            }

            return open
          }())
        }, {
          key: 'close',
          value: (function () {
            var _close = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 (name) {
              return _regenerator.default.wrap(function _callee4$ (_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      if (this._overlays[name]) {
                        _context4.next = 4
                        break
                      }

                      throw new Error('The overlay does not exist.')

                    case 4:
                      if (this._active) {
                        _context4.next = 8
                        break
                      }

                      throw new Error('The overlay is currently not active.')

                    case 8:
                      if (!(this._active !== name)) {
                        _context4.next = 10
                        break
                      }

                      throw new Error('Another overlay is currently active.')

                    case 10:
                      this._overlays[this._active].container.classList.add('hidden')

                      this._overlays[this._active].element.classList.add('hidden')

                      this._active = null
                      window.removeEventListener('keydown', this._keyDownBound)

                    case 14:
                    case 'end':
                      return _context4.stop()
                  }
                }
              }, _callee4, this)
            }))

            function close (_x5) {
              return _close.apply(this, arguments)
            }

            return close
          }())
        }, {
          key: '_keyDown',
          value: function _keyDown (evt) {
            if (this._active && evt.keyCode === 27) {
              this._closeThroughCaller()

              evt.preventDefault()
            }
          }
        }, {
          key: '_closeThroughCaller',
          value: function _closeThroughCaller () {
            if (this._overlays[this._active].callerCloseMethod) {
              this._overlays[this._active].callerCloseMethod()
            }

            if (this._active) {
              this.close(this._active)
            }
          }
        }, {
          key: 'active',
          get: function get () {
            return this._active
          }
        }])

        return OverlayManager
      }())

      exports.OverlayManager = OverlayManager
      /***/ },
    /* 13 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PasswordPrompt = void 0

      var _ui_utils = __webpack_require__(6)

      var _pdfjsLib = __webpack_require__(7)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var PasswordPrompt = /* #__PURE__ */(function () {
        function PasswordPrompt (options, overlayManager) {
          var _this = this

          var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n

          _classCallCheck(this, PasswordPrompt)

          this.overlayName = options.overlayName
          this.container = options.container
          this.label = options.label
          this.input = options.input
          this.submitButton = options.submitButton
          this.cancelButton = options.cancelButton
          this.overlayManager = overlayManager
          this.l10n = l10n
          this.updateCallback = null
          this.reason = null
          this.submitButton.addEventListener('click', this.verify.bind(this))
          this.cancelButton.addEventListener('click', this.close.bind(this))
          this.input.addEventListener('keydown', function (e) {
            if (e.keyCode === 13) {
              _this.verify()
            }
          })
          this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true)
        }

        _createClass(PasswordPrompt, [{
          key: 'open',
          value: function open () {
            var _this2 = this

            this.overlayManager.open(this.overlayName).then(function () {
              _this2.input.focus()

              var promptString

              if (_this2.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
                promptString = _this2.l10n.get('password_invalid', null, 'Invalid password. Please try again.')
              } else {
                promptString = _this2.l10n.get('password_label', null, 'Enter the password to open this PDF file.')
              }

              promptString.then(function (msg) {
                _this2.label.textContent = msg
              })
            })
          }
        }, {
          key: 'close',
          value: function close () {
            var _this3 = this

            this.overlayManager.close(this.overlayName).then(function () {
              _this3.input.value = ''
            })
          }
        }, {
          key: 'verify',
          value: function verify () {
            var password = this.input.value

            if (password && password.length > 0) {
              this.close()
              this.updateCallback(password)
            }
          }
        }, {
          key: 'setUpdateCallback',
          value: function setUpdateCallback (updateCallback, reason) {
            this.updateCallback = updateCallback
            this.reason = reason
          }
        }])

        return PasswordPrompt
      }())

      exports.PasswordPrompt = PasswordPrompt
      /***/ },
    /* 14 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFAttachmentViewer = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _base_tree_viewer = __webpack_require__(15)

      var _viewer_compatibility = __webpack_require__(2)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _get (target, property, receiver) { if (typeof Reflect !== 'undefined' && Reflect.get) { _get = Reflect.get } else { _get = function _get (target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver) } return desc.value } } return _get(target, property, receiver || target) }

      function _superPropBase (object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break } return object }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      var PdfFileRegExp = /\.pdf$/i

      var PDFAttachmentViewer = /* #__PURE__ */(function (_BaseTreeViewer) {
        _inherits(PDFAttachmentViewer, _BaseTreeViewer)

        var _super = _createSuper(PDFAttachmentViewer)

        function PDFAttachmentViewer (options) {
          var _this

          _classCallCheck(this, PDFAttachmentViewer)

          _this = _super.call(this, options)
          _this.downloadManager = options.downloadManager

          _this.eventBus._on('fileattachmentannotation', _this._appendAttachment.bind(_assertThisInitialized(_this)))

          return _this
        }

        _createClass(PDFAttachmentViewer, [{
          key: 'reset',
          value: function reset () {
            var keepRenderedCapability = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            _get(_getPrototypeOf(PDFAttachmentViewer.prototype), 'reset', this).call(this)

            this._attachments = null

            if (!keepRenderedCapability) {
              this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)()
            }

            if (this._pendingDispatchEvent) {
              clearTimeout(this._pendingDispatchEvent)
            }

            this._pendingDispatchEvent = null
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent (attachmentsCount) {
            var _this2 = this

            this._renderedCapability.resolve()

            if (this._pendingDispatchEvent) {
              clearTimeout(this._pendingDispatchEvent)
              this._pendingDispatchEvent = null
            }

            if (attachmentsCount === 0) {
              this._pendingDispatchEvent = setTimeout(function () {
                _this2.eventBus.dispatch('attachmentsloaded', {
                  source: _this2,
                  attachmentsCount: 0
                })

                _this2._pendingDispatchEvent = null
              })
              return
            }

            this.eventBus.dispatch('attachmentsloaded', {
              source: this,
              attachmentsCount: attachmentsCount
            })
          }
        }, {
          key: '_bindPdfLink',
          value: function _bindPdfLink (element, _ref) {
            var _this3 = this

            var content = _ref.content
            var filename = _ref.filename
            var blobUrl

            element.onclick = function () {
              if (!blobUrl) {
                blobUrl = URL.createObjectURL(new Blob([content], {
                  type: 'application/pdf'
                }))
              }

              var viewerUrl
              viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename)

              try {
                window.open(viewerUrl)
              } catch (ex) {
                console.error('_bindPdfLink: '.concat(ex))
                URL.revokeObjectURL(blobUrl)
                blobUrl = null

                _this3.downloadManager.downloadData(content, filename, 'application/pdf')
              }

              return false
            }
          }
        }, {
          key: '_bindLink',
          value: function _bindLink (element, _ref2) {
            var _this4 = this

            var content = _ref2.content
            var filename = _ref2.filename

            element.onclick = function () {
              var contentType = PdfFileRegExp.test(filename) ? 'application/pdf' : ''

              _this4.downloadManager.downloadData(content, filename, contentType)

              return false
            }
          }
        }, {
          key: 'render',
          value: function render (_ref3) {
            var attachments = _ref3.attachments
            var _ref3$keepRenderedCap = _ref3.keepRenderedCapability
            var keepRenderedCapability = _ref3$keepRenderedCap === void 0 ? false : _ref3$keepRenderedCap

            if (this._attachments) {
              this.reset(keepRenderedCapability)
            }

            this._attachments = attachments || null

            if (!attachments) {
              this._dispatchEvent(0)

              return
            }

            var names = Object.keys(attachments).sort(function (a, b) {
              return a.toLowerCase().localeCompare(b.toLowerCase())
            })
            var fragment = document.createDocumentFragment()
            var attachmentsCount = 0

            var _iterator = _createForOfIteratorHelper(names)
            var _step

            try {
              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                var name = _step.value
                var item = attachments[name]
                var filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename)
                var div = document.createElement('div')
                div.className = 'treeItem'
                var element = document.createElement('a')

                if (PdfFileRegExp.test(filename) && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
                  this._bindPdfLink(element, {
                    content: item.content,
                    filename: filename
                  })
                } else {
                  this._bindLink(element, {
                    content: item.content,
                    filename: filename
                  })
                }

                element.textContent = this._normalizeTextContent(filename)
                div.appendChild(element)
                fragment.appendChild(div)
                attachmentsCount++
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }

            this.container.appendChild(fragment)

            this._dispatchEvent(attachmentsCount)
          }
        }, {
          key: '_appendAttachment',
          value: function _appendAttachment (_ref4) {
            var _this5 = this

            var id = _ref4.id
            var filename = _ref4.filename
            var content = _ref4.content
            var renderedPromise = this._renderedCapability.promise
            renderedPromise.then(function () {
              if (renderedPromise !== _this5._renderedCapability.promise) {
                return
              }

              var attachments = _this5._attachments

              if (!attachments) {
                attachments = Object.create(null)
              } else {
                for (var name in attachments) {
                  if (id === name) {
                    return
                  }
                }
              }

              attachments[id] = {
                filename: filename,
                content: content
              }

              _this5.render({
                attachments: attachments,
                keepRenderedCapability: true
              })
            })
          }
        }])

        return PDFAttachmentViewer
      }(_base_tree_viewer.BaseTreeViewer))

      exports.PDFAttachmentViewer = PDFAttachmentViewer
      /***/ },
    /* 15 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.BaseTreeViewer = void 0

      var _pdfjsLib = __webpack_require__(7)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var BaseTreeViewer = /* #__PURE__ */(function () {
        function BaseTreeViewer (options) {
          _classCallCheck(this, BaseTreeViewer)

          if (this.constructor === BaseTreeViewer) {
            throw new Error('Cannot initialize BaseTreeViewer.')
          }

          this.container = options.container
          this.eventBus = options.eventBus
          this.reset()
        }

        _createClass(BaseTreeViewer, [{
          key: 'reset',
          value: function reset () {
            this._lastToggleIsShow = true
            this.container.textContent = ''
            this.container.classList.remove('treeWithDeepNesting')
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent (count) {
            throw new Error('Not implemented: _dispatchEvent')
          }
        }, {
          key: '_bindLink',
          value: function _bindLink (element, params) {
            throw new Error('Not implemented: _bindLink')
          }
        }, {
          key: '_normalizeTextContent',
          value: function _normalizeTextContent (str) {
            return (0, _pdfjsLib.removeNullCharacters)(str) || '\u2013'
          }
        }, {
          key: '_addToggleButton',
          value: function _addToggleButton (div) {
            var _this = this

            var hidden = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            var toggler = document.createElement('div')
            toggler.className = 'treeItemToggler'

            if (hidden) {
              toggler.classList.add('treeItemsHidden')
            }

            toggler.onclick = function (evt) {
              evt.stopPropagation()
              toggler.classList.toggle('treeItemsHidden')

              if (evt.shiftKey) {
                var shouldShowAll = !toggler.classList.contains('treeItemsHidden')

                _this._toggleTreeItem(div, shouldShowAll)
              }
            }

            div.insertBefore(toggler, div.firstChild)
          }
        }, {
          key: '_toggleTreeItem',
          value: function _toggleTreeItem (root) {
            var show = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            this._lastToggleIsShow = show

            var _iterator = _createForOfIteratorHelper(root.querySelectorAll('.treeItemToggler'))
            var _step

            try {
              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                var toggler = _step.value
                toggler.classList.toggle('treeItemsHidden', !show)
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }
          }
        }, {
          key: '_toggleAllTreeItems',
          value: function _toggleAllTreeItems () {
            this._toggleTreeItem(this.container, !this._lastToggleIsShow)
          }
        }, {
          key: 'render',
          value: function render (params) {
            throw new Error('Not implemented: render')
          }
        }])

        return BaseTreeViewer
      }())

      exports.BaseTreeViewer = BaseTreeViewer
      /***/ },
    /* 16 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFDocumentProperties = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _pdfjsLib = __webpack_require__(7)

      var _ui_utils = __webpack_require__(6)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var DEFAULT_FIELD_CONTENT = '-'
      var NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my']
      var US_PAGE_NAMES = {
        '8.5x11': 'Letter',
        '8.5x14': 'Legal'
      }
      var METRIC_PAGE_NAMES = {
        '297x420': 'A3',
        '210x297': 'A4'
      }

      function getPageName (size, isPortrait, pageNames) {
        var width = isPortrait ? size.width : size.height
        var height = isPortrait ? size.height : size.width
        return pageNames[''.concat(width, 'x').concat(height)]
      }

      var PDFDocumentProperties = /* #__PURE__ */(function () {
        function PDFDocumentProperties (_ref, overlayManager, eventBus) {
          var _this = this

          var overlayName = _ref.overlayName
          var fields = _ref.fields
          var container = _ref.container
          var closeButton = _ref.closeButton
          var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n

          _classCallCheck(this, PDFDocumentProperties)

          this.overlayName = overlayName
          this.fields = fields
          this.container = container
          this.overlayManager = overlayManager
          this.l10n = l10n

          this._reset()

          closeButton.addEventListener('click', this.close.bind(this))
          this.overlayManager.register(this.overlayName, this.container, this.close.bind(this))

          eventBus._on('pagechanging', function (evt) {
            _this._currentPageNumber = evt.pageNumber
          })

          eventBus._on('rotationchanging', function (evt) {
            _this._pagesRotation = evt.pagesRotation
          })

          this._isNonMetricLocale = true
          l10n.getLanguage().then(function (locale) {
            _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale)
          })
        }

        _createClass(PDFDocumentProperties, [{
          key: 'open',
          value: (function () {
            var _open = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
              var _this2 = this

              var freezeFieldData, currentPageNumber, pagesRotation, _yield$this$pdfDocume, info, contentDispositionFilename, contentLength, _yield$Promise$all, _yield$Promise$all2, fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized, _yield$this$pdfDocume2, length, data

              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      freezeFieldData = function freezeFieldData (data) {
                        Object.defineProperty(_this2, 'fieldData', {
                          value: Object.freeze(data),
                          writable: false,
                          enumerable: true,
                          configurable: true
                        })
                      }

                      _context.next = 3
                      return Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise])

                    case 3:
                      currentPageNumber = this._currentPageNumber
                      pagesRotation = this._pagesRotation

                      if (!(this.fieldData && currentPageNumber === this.fieldData._currentPageNumber && pagesRotation === this.fieldData._pagesRotation)) {
                        _context.next = 8
                        break
                      }

                      this._updateUI()

                      return _context.abrupt('return')

                    case 8:
                      _context.next = 10
                      return this.pdfDocument.getMetadata()

                    case 10:
                      _yield$this$pdfDocume = _context.sent
                      info = _yield$this$pdfDocume.info
                      contentDispositionFilename = _yield$this$pdfDocume.contentDispositionFilename
                      contentLength = _yield$this$pdfDocume.contentLength
                      _context.next = 16
                      return Promise.all([contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url), this._parseFileSize(contentLength), this._parseDate(info.CreationDate), this._parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
                        return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation)
                      }), this._parseLinearization(info.IsLinearized)])

                    case 16:
                      _yield$Promise$all = _context.sent
                      _yield$Promise$all2 = _slicedToArray(_yield$Promise$all, 6)
                      fileName = _yield$Promise$all2[0]
                      fileSize = _yield$Promise$all2[1]
                      creationDate = _yield$Promise$all2[2]
                      modificationDate = _yield$Promise$all2[3]
                      pageSize = _yield$Promise$all2[4]
                      isLinearized = _yield$Promise$all2[5]
                      freezeFieldData({
                        fileName: fileName,
                        fileSize: fileSize,
                        title: info.Title,
                        author: info.Author,
                        subject: info.Subject,
                        keywords: info.Keywords,
                        creationDate: creationDate,
                        modificationDate: modificationDate,
                        creator: info.Creator,
                        producer: info.Producer,
                        version: info.PDFFormatVersion,
                        pageCount: this.pdfDocument.numPages,
                        pageSize: pageSize,
                        linearized: isLinearized,
                        _currentPageNumber: currentPageNumber,
                        _pagesRotation: pagesRotation
                      })

                      this._updateUI()

                      _context.next = 28
                      return this.pdfDocument.getDownloadInfo()

                    case 28:
                      _yield$this$pdfDocume2 = _context.sent
                      length = _yield$this$pdfDocume2.length

                      if (!(contentLength === length)) {
                        _context.next = 32
                        break
                      }

                      return _context.abrupt('return')

                    case 32:
                      data = Object.assign(Object.create(null), this.fieldData)
                      _context.next = 35
                      return this._parseFileSize(length)

                    case 35:
                      data.fileSize = _context.sent
                      freezeFieldData(data)

                      this._updateUI()

                    case 38:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function open () {
              return _open.apply(this, arguments)
            }

            return open
          }())
        }, {
          key: 'close',
          value: function close () {
            this.overlayManager.close(this.overlayName)
          }
        }, {
          key: 'setDocument',
          value: function setDocument (pdfDocument) {
            var url = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null

            if (this.pdfDocument) {
              this._reset()

              this._updateUI(true)
            }

            if (!pdfDocument) {
              return
            }

            this.pdfDocument = pdfDocument
            this.url = url

            this._dataAvailableCapability.resolve()
          }
        }, {
          key: '_reset',
          value: function _reset () {
            this.pdfDocument = null
            this.url = null
            delete this.fieldData
            this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)()
            this._currentPageNumber = 1
            this._pagesRotation = 0
          }
        }, {
          key: '_updateUI',
          value: function _updateUI () {
            var reset = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            if (reset || !this.fieldData) {
              for (var id in this.fields) {
                this.fields[id].textContent = DEFAULT_FIELD_CONTENT
              }

              return
            }

            if (this.overlayManager.active !== this.overlayName) {
              return
            }

            for (var _id in this.fields) {
              var content = this.fieldData[_id]
              this.fields[_id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT
            }
          }
        }, {
          key: '_parseFileSize',
          value: (function () {
            var _parseFileSize2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
              var fileSize
              var kb
              var _args2 = arguments
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      fileSize = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : 0
                      kb = fileSize / 1024

                      if (kb) {
                        _context2.next = 6
                        break
                      }

                      return _context2.abrupt('return', undefined)

                    case 6:
                      if (!(kb < 1024)) {
                        _context2.next = 8
                        break
                      }

                      return _context2.abrupt('return', this.l10n.get('document_properties_kb', {
                        size_kb: (+kb.toPrecision(3)).toLocaleString(),
                        size_b: fileSize.toLocaleString()
                      }, '{{size_kb}} KB ({{size_b}} bytes)'))

                    case 8:
                      return _context2.abrupt('return', this.l10n.get('document_properties_mb', {
                        size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
                        size_b: fileSize.toLocaleString()
                      }, '{{size_mb}} MB ({{size_b}} bytes)'))

                    case 9:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2, this)
            }))

            function _parseFileSize () {
              return _parseFileSize2.apply(this, arguments)
            }

            return _parseFileSize
          }())
        }, {
          key: '_parsePageSize',
          value: (function () {
            var _parsePageSize2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 (pageSizeInches, pagesRotation) {
              var _this3 = this

              var isPortrait, sizeInches, sizeMillimeters, pageName, rawName, exactMillimeters, intMillimeters
              return _regenerator.default.wrap(function _callee3$ (_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      if (pageSizeInches) {
                        _context3.next = 2
                        break
                      }

                      return _context3.abrupt('return', undefined)

                    case 2:
                      if (pagesRotation % 180 !== 0) {
                        pageSizeInches = {
                          width: pageSizeInches.height,
                          height: pageSizeInches.width
                        }
                      }

                      isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches)
                      sizeInches = {
                        width: Math.round(pageSizeInches.width * 100) / 100,
                        height: Math.round(pageSizeInches.height * 100) / 100
                      }
                      sizeMillimeters = {
                        width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
                        height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
                      }
                      pageName = null
                      rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES)

                      if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
                        exactMillimeters = {
                          width: pageSizeInches.width * 25.4,
                          height: pageSizeInches.height * 25.4
                        }
                        intMillimeters = {
                          width: Math.round(sizeMillimeters.width),
                          height: Math.round(sizeMillimeters.height)
                        }

                        if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
                          rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES)

                          if (rawName) {
                            sizeInches = {
                              width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
                              height: Math.round(intMillimeters.height / 25.4 * 100) / 100
                            }
                            sizeMillimeters = intMillimeters
                          }
                        }
                      }

                      if (rawName) {
                        pageName = this.l10n.get('document_properties_page_size_name_' + rawName.toLowerCase(), null, rawName)
                      }

                      return _context3.abrupt('return', Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape')]).then(function (_ref2) {
                        var _ref3 = _slicedToArray(_ref2, 4)
                        var _ref3$ = _ref3[0]
                        var width = _ref3$.width
                        var height = _ref3$.height
                        var unit = _ref3[1]
                        var name = _ref3[2]
                        var orientation = _ref3[3]

                        return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
                          width: width.toLocaleString(),
                          height: height.toLocaleString(),
                          unit: unit,
                          name: name,
                          orientation: orientation
                        }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})')
                      }))

                    case 11:
                    case 'end':
                      return _context3.stop()
                  }
                }
              }, _callee3, this)
            }))

            function _parsePageSize (_x, _x2) {
              return _parsePageSize2.apply(this, arguments)
            }

            return _parsePageSize
          }())
        }, {
          key: '_parseDate',
          value: (function () {
            var _parseDate2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 (inputDate) {
              var dateObject
              return _regenerator.default.wrap(function _callee4$ (_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate)

                      if (dateObject) {
                        _context4.next = 3
                        break
                      }

                      return _context4.abrupt('return', undefined)

                    case 3:
                      return _context4.abrupt('return', this.l10n.get('document_properties_date_string', {
                        date: dateObject.toLocaleDateString(),
                        time: dateObject.toLocaleTimeString()
                      }, '{{date}}, {{time}}'))

                    case 4:
                    case 'end':
                      return _context4.stop()
                  }
                }
              }, _callee4, this)
            }))

            function _parseDate (_x3) {
              return _parseDate2.apply(this, arguments)
            }

            return _parseDate
          }())
        }, {
          key: '_parseLinearization',
          value: function _parseLinearization (isLinearized) {
            return this.l10n.get('document_properties_linearized_' + (isLinearized ? 'yes' : 'no'), null, isLinearized ? 'Yes' : 'No')
          }
        }])

        return PDFDocumentProperties
      }())

      exports.PDFDocumentProperties = PDFDocumentProperties
      /***/ },
    /* 17 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFFindBar = void 0

      var _pdf_find_controller = __webpack_require__(18)

      var _ui_utils = __webpack_require__(6)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var MATCHES_COUNT_LIMIT = 1000

      var PDFFindBar = /* #__PURE__ */(function () {
        function PDFFindBar (options, eventBus) {
          var _this = this

          var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n

          _classCallCheck(this, PDFFindBar)

          this.opened = false
          this.bar = options.bar || null
          this.toggleButton = options.toggleButton || null
          this.findField = options.findField || null
          this.highlightAll = options.highlightAllCheckbox || null
          this.caseSensitive = options.caseSensitiveCheckbox || null
          this.entireWord = options.entireWordCheckbox || null
          this.findMsg = options.findMsg || null
          this.findResultsCount = options.findResultsCount || null
          this.findPreviousButton = options.findPreviousButton || null
          this.findNextButton = options.findNextButton || null
          this.eventBus = eventBus
          this.l10n = l10n
          this.toggleButton.addEventListener('click', function () {
            _this.toggle()
          })
          this.findField.addEventListener('input', function () {
            _this.dispatchEvent('')
          })
          this.bar.addEventListener('keydown', function (e) {
            switch (e.keyCode) {
              case 13:
                if (e.target === _this.findField) {
                  _this.dispatchEvent('again', e.shiftKey)
                }

                break

              case 27:
                _this.close()

                break
            }
          })
          this.findPreviousButton.addEventListener('click', function () {
            _this.dispatchEvent('again', true)
          })
          this.findNextButton.addEventListener('click', function () {
            _this.dispatchEvent('again', false)
          })
          this.highlightAll.addEventListener('click', function () {
            _this.dispatchEvent('highlightallchange')
          })
          this.caseSensitive.addEventListener('click', function () {
            _this.dispatchEvent('casesensitivitychange')
          })
          this.entireWord.addEventListener('click', function () {
            _this.dispatchEvent('entirewordchange')
          })

          this.eventBus._on('resize', this._adjustWidth.bind(this))
        }

        _createClass(PDFFindBar, [{
          key: 'reset',
          value: function reset () {
            this.updateUIState()
          }
        }, {
          key: 'dispatchEvent',
          value: function dispatchEvent (type, findPrev) {
            this.eventBus.dispatch('find', {
              source: this,
              type: type,
              query: this.findField.value,
              phraseSearch: true,
              caseSensitive: this.caseSensitive.checked,
              entireWord: this.entireWord.checked,
              highlightAll: this.highlightAll.checked,
              findPrevious: findPrev
            })
          }
        }, {
          key: 'updateUIState',
          value: function updateUIState (state, previous, matchesCount) {
            var _this2 = this

            var findMsg = ''
            var status = ''

            switch (state) {
              case _pdf_find_controller.FindState.FOUND:
                break

              case _pdf_find_controller.FindState.PENDING:
                status = 'pending'
                break

              case _pdf_find_controller.FindState.NOT_FOUND:
                findMsg = this.l10n.get('find_not_found', null, 'Phrase not found')
                status = 'notFound'
                break

              case _pdf_find_controller.FindState.WRAPPED:
                if (previous) {
                  findMsg = this.l10n.get('find_reached_top', null, 'Reached top of document, continued from bottom')
                } else {
                  findMsg = this.l10n.get('find_reached_bottom', null, 'Reached end of document, continued from top')
                }

                break
            }

            this.findField.setAttribute('data-status', status)
            Promise.resolve(findMsg).then(function (msg) {
              _this2.findMsg.textContent = msg

              _this2._adjustWidth()
            })
            this.updateResultsCount(matchesCount)
          }
        }, {
          key: 'updateResultsCount',
          value: function updateResultsCount () {
            var _this3 = this

            var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}
            var _ref$current = _ref.current
            var current = _ref$current === void 0 ? 0 : _ref$current
            var _ref$total = _ref.total
            var total = _ref$total === void 0 ? 0 : _ref$total

            if (!this.findResultsCount) {
              return
            }

            var limit = MATCHES_COUNT_LIMIT
            var matchesCountMsg = ''

            if (total > 0) {
              if (total > limit) {
                matchesCountMsg = this.l10n.get('find_match_count_limit', {
                  limit: limit
                }, 'More than {{limit}} match' + (limit !== 1 ? 'es' : ''))
              } else {
                matchesCountMsg = this.l10n.get('find_match_count', {
                  current: current,
                  total: total
                }, '{{current}} of {{total}} match' + (total !== 1 ? 'es' : ''))
              }
            }

            Promise.resolve(matchesCountMsg).then(function (msg) {
              _this3.findResultsCount.textContent = msg

              _this3.findResultsCount.classList.toggle('hidden', !total)

              _this3._adjustWidth()
            })
          }
        }, {
          key: 'open',
          value: function open () {
            if (!this.opened) {
              this.opened = true
              this.toggleButton.classList.add('toggled')
              this.bar.classList.remove('hidden')
            }

            this.findField.select()
            this.findField.focus()

            this._adjustWidth()
          }
        }, {
          key: 'close',
          value: function close () {
            if (!this.opened) {
              return
            }

            this.opened = false
            this.toggleButton.classList.remove('toggled')
            this.bar.classList.add('hidden')
            this.eventBus.dispatch('findbarclose', {
              source: this
            })
          }
        }, {
          key: 'toggle',
          value: function toggle () {
            if (this.opened) {
              this.close()
            } else {
              this.open()
            }
          }
        }, {
          key: '_adjustWidth',
          value: function _adjustWidth () {
            if (!this.opened) {
              return
            }

            this.bar.classList.remove('wrapContainers')
            var findbarHeight = this.bar.clientHeight
            var inputContainerHeight = this.bar.firstElementChild.clientHeight

            if (findbarHeight > inputContainerHeight) {
              this.bar.classList.add('wrapContainers')
            }
          }
        }])

        return PDFFindBar
      }())

      exports.PDFFindBar = PDFFindBar
      /***/ },
    /* 18 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFFindController = exports.FindState = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _pdf_find_utils = __webpack_require__(19)

      var _ui_utils = __webpack_require__(6)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var FindState = {
        FOUND: 0,
        NOT_FOUND: 1,
        WRAPPED: 2,
        PENDING: 3
      }
      exports.FindState = FindState
      var FIND_TIMEOUT = 250
      var MATCH_SCROLL_OFFSET_TOP = -50
      var MATCH_SCROLL_OFFSET_LEFT = -400
      var CHARACTERS_TO_NORMALIZE = {
        '\u2018': "'",
        '\u2019': "'",
        '\u201A': "'",
        '\u201B': "'",
        '\u201C': '"',
        '\u201D': '"',
        '\u201E': '"',
        '\u201F': '"',
        '\xBC': '1/4',
        '\xBD': '1/2',
        '\xBE': '3/4'
      }
      var normalizationRegex = null

      function normalize (text) {
        if (!normalizationRegex) {
          var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('')
          normalizationRegex = new RegExp('['.concat(replace, ']'), 'g')
        }

        return text.replace(normalizationRegex, function (ch) {
          return CHARACTERS_TO_NORMALIZE[ch]
        })
      }

      var PDFFindController = /* #__PURE__ */(function () {
        function PDFFindController (_ref) {
          var linkService = _ref.linkService
          var eventBus = _ref.eventBus

          _classCallCheck(this, PDFFindController)

          this._linkService = linkService
          this._eventBus = eventBus

          this._reset()

          eventBus._on('findbarclose', this._onFindBarClose.bind(this))
        }

        _createClass(PDFFindController, [{
          key: 'setDocument',
          value: function setDocument (pdfDocument) {
            if (this._pdfDocument) {
              this._reset()
            }

            if (!pdfDocument) {
              return
            }

            this._pdfDocument = pdfDocument

            this._firstPageCapability.resolve()
          }
        }, {
          key: 'executeCommand',
          value: function executeCommand (cmd, state) {
            var _this = this

            if (!state) {
              return
            }

            var pdfDocument = this._pdfDocument

            if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
              this._dirtyMatch = true
            }

            this._state = state

            if (cmd !== 'findhighlightallchange') {
              this._updateUIState(FindState.PENDING)
            }

            this._firstPageCapability.promise.then(function () {
              if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
                return
              }

              _this._extractText()

              var findbarClosed = !_this._highlightMatches
              var pendingTimeout = !!_this._findTimeout

              if (_this._findTimeout) {
                clearTimeout(_this._findTimeout)
                _this._findTimeout = null
              }

              if (cmd === 'find') {
                _this._findTimeout = setTimeout(function () {
                  _this._nextMatch()

                  _this._findTimeout = null
                }, FIND_TIMEOUT)
              } else if (_this._dirtyMatch) {
                _this._nextMatch()
              } else if (cmd === 'findagain') {
                _this._nextMatch()

                if (findbarClosed && _this._state.highlightAll) {
                  _this._updateAllPages()
                }
              } else if (cmd === 'findhighlightallchange') {
                if (pendingTimeout) {
                  _this._nextMatch()
                } else {
                  _this._highlightMatches = true
                }

                _this._updateAllPages()
              } else {
                _this._nextMatch()
              }
            })
          }
        }, {
          key: 'scrollMatchIntoView',
          value: function scrollMatchIntoView (_ref2) {
            var _ref2$element = _ref2.element
            var element = _ref2$element === void 0 ? null : _ref2$element
            var _ref2$pageIndex = _ref2.pageIndex
            var pageIndex = _ref2$pageIndex === void 0 ? -1 : _ref2$pageIndex
            var _ref2$matchIndex = _ref2.matchIndex
            var matchIndex = _ref2$matchIndex === void 0 ? -1 : _ref2$matchIndex

            if (!this._scrollMatches || !element) {
              return
            } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
              return
            } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
              return
            }

            this._scrollMatches = false
            var spot = {
              top: MATCH_SCROLL_OFFSET_TOP,
              left: MATCH_SCROLL_OFFSET_LEFT
            };
            (0, _ui_utils.scrollIntoView)(element, spot, true)
          }
        }, {
          key: '_reset',
          value: function _reset () {
            this._highlightMatches = false
            this._scrollMatches = false
            this._pdfDocument = null
            this._pageMatches = []
            this._pageMatchesLength = []
            this._state = null
            this._selected = {
              pageIdx: -1,
              matchIdx: -1
            }
            this._offset = {
              pageIdx: null,
              matchIdx: null,
              wrapped: false
            }
            this._extractTextPromises = []
            this._pageContents = []
            this._matchesCountTotal = 0
            this._pagesToSearch = null
            this._pendingFindMatches = Object.create(null)
            this._resumePageIdx = null
            this._dirtyMatch = false
            clearTimeout(this._findTimeout)
            this._findTimeout = null
            this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)()
          }
        }, {
          key: '_shouldDirtyMatch',
          value: function _shouldDirtyMatch (cmd, state) {
            if (state.query !== this._state.query) {
              return true
            }

            switch (cmd) {
              case 'findagain':
                var pageNumber = this._selected.pageIdx + 1
                var linkService = this._linkService

                if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
                  return true
                }

                return false

              case 'findhighlightallchange':
                return false
            }

            return true
          }
        }, {
          key: '_prepareMatches',
          value: function _prepareMatches (matchesWithLength, matches, matchesLength) {
            function isSubTerm (currentIndex) {
              var currentElem = matchesWithLength[currentIndex]
              var nextElem = matchesWithLength[currentIndex + 1]

              if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
                currentElem.skipped = true
                return true
              }

              for (var i = currentIndex - 1; i >= 0; i--) {
                var prevElem = matchesWithLength[i]

                if (prevElem.skipped) {
                  continue
                }

                if (prevElem.match + prevElem.matchLength < currentElem.match) {
                  break
                }

                if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
                  currentElem.skipped = true
                  return true
                }
              }

              return false
            }

            matchesWithLength.sort(function (a, b) {
              return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match
            })

            for (var i = 0, len = matchesWithLength.length; i < len; i++) {
              if (isSubTerm(i)) {
                continue
              }

              matches.push(matchesWithLength[i].match)
              matchesLength.push(matchesWithLength[i].matchLength)
            }
          }
        }, {
          key: '_isEntireWord',
          value: function _isEntireWord (content, startIdx, length) {
            if (startIdx > 0) {
              var first = content.charCodeAt(startIdx)
              var limit = content.charCodeAt(startIdx - 1)

              if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
                return false
              }
            }

            var endIdx = startIdx + length - 1

            if (endIdx < content.length - 1) {
              var last = content.charCodeAt(endIdx)

              var _limit = content.charCodeAt(endIdx + 1)

              if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
                return false
              }
            }

            return true
          }
        }, {
          key: '_calculatePhraseMatch',
          value: function _calculatePhraseMatch (query, pageIndex, pageContent, entireWord) {
            var matches = []
            var queryLen = query.length
            var matchIdx = -queryLen

            while (true) {
              matchIdx = pageContent.indexOf(query, matchIdx + queryLen)

              if (matchIdx === -1) {
                break
              }

              if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
                continue
              }

              matches.push(matchIdx)
            }

            this._pageMatches[pageIndex] = matches
          }
        }, {
          key: '_calculateWordMatch',
          value: function _calculateWordMatch (query, pageIndex, pageContent, entireWord) {
            var matchesWithLength = []
            var queryArray = query.match(/\S+/g)

            for (var i = 0, len = queryArray.length; i < len; i++) {
              var subquery = queryArray[i]
              var subqueryLen = subquery.length
              var matchIdx = -subqueryLen

              while (true) {
                matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen)

                if (matchIdx === -1) {
                  break
                }

                if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
                  continue
                }

                matchesWithLength.push({
                  match: matchIdx,
                  matchLength: subqueryLen,
                  skipped: false
                })
              }
            }

            this._pageMatchesLength[pageIndex] = []
            this._pageMatches[pageIndex] = []

            this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex])
          }
        }, {
          key: '_calculateMatch',
          value: function _calculateMatch (pageIndex) {
            var pageContent = this._pageContents[pageIndex]
            var query = this._query
            var _this$_state = this._state
            var caseSensitive = _this$_state.caseSensitive
            var entireWord = _this$_state.entireWord
            var phraseSearch = _this$_state.phraseSearch

            if (query.length === 0) {
              return
            }

            if (!caseSensitive) {
              pageContent = pageContent.toLowerCase()
              query = query.toLowerCase()
            }

            if (phraseSearch) {
              this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord)
            } else {
              this._calculateWordMatch(query, pageIndex, pageContent, entireWord)
            }

            if (this._state.highlightAll) {
              this._updatePage(pageIndex)
            }

            if (this._resumePageIdx === pageIndex) {
              this._resumePageIdx = null

              this._nextPageMatch()
            }

            var pageMatchesCount = this._pageMatches[pageIndex].length

            if (pageMatchesCount > 0) {
              this._matchesCountTotal += pageMatchesCount

              this._updateUIResultsCount()
            }
          }
        }, {
          key: '_extractText',
          value: function _extractText () {
            var _this2 = this

            if (this._extractTextPromises.length > 0) {
              return
            }

            var promise = Promise.resolve()

            var _loop = function _loop (i, ii) {
              var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)()
              _this2._extractTextPromises[i] = extractTextCapability.promise
              promise = promise.then(function () {
                return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
                  return pdfPage.getTextContent({
                    normalizeWhitespace: true
                  })
                }).then(function (textContent) {
                  var textItems = textContent.items
                  var strBuf = []

                  for (var j = 0, jj = textItems.length; j < jj; j++) {
                    strBuf.push(textItems[j].str)
                  }

                  _this2._pageContents[i] = normalize(strBuf.join(''))
                  extractTextCapability.resolve(i)
                }, function (reason) {
                  console.error('Unable to get text content for page '.concat(i + 1), reason)
                  _this2._pageContents[i] = ''
                  extractTextCapability.resolve(i)
                })
              })
            }

            for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
              _loop(i, ii)
            }
          }
        }, {
          key: '_updatePage',
          value: function _updatePage (index) {
            if (this._scrollMatches && this._selected.pageIdx === index) {
              this._linkService.page = index + 1
            }

            this._eventBus.dispatch('updatetextlayermatches', {
              source: this,
              pageIndex: index
            })
          }
        }, {
          key: '_updateAllPages',
          value: function _updateAllPages () {
            this._eventBus.dispatch('updatetextlayermatches', {
              source: this,
              pageIndex: -1
            })
          }
        }, {
          key: '_nextMatch',
          value: function _nextMatch () {
            var _this3 = this

            var previous = this._state.findPrevious
            var currentPageIndex = this._linkService.page - 1
            var numPages = this._linkService.pagesCount
            this._highlightMatches = true

            if (this._dirtyMatch) {
              this._dirtyMatch = false
              this._selected.pageIdx = this._selected.matchIdx = -1
              this._offset.pageIdx = currentPageIndex
              this._offset.matchIdx = null
              this._offset.wrapped = false
              this._resumePageIdx = null
              this._pageMatches.length = 0
              this._pageMatchesLength.length = 0
              this._matchesCountTotal = 0

              this._updateAllPages()

              for (var i = 0; i < numPages; i++) {
                if (this._pendingFindMatches[i] === true) {
                  continue
                }

                this._pendingFindMatches[i] = true

                this._extractTextPromises[i].then(function (pageIdx) {
                  delete _this3._pendingFindMatches[pageIdx]

                  _this3._calculateMatch(pageIdx)
                })
              }
            }

            if (this._query === '') {
              this._updateUIState(FindState.FOUND)

              return
            }

            if (this._resumePageIdx) {
              return
            }

            var offset = this._offset
            this._pagesToSearch = numPages

            if (offset.matchIdx !== null) {
              var numPageMatches = this._pageMatches[offset.pageIdx].length

              if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
                offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1

                this._updateMatch(true)

                return
              }

              this._advanceOffsetPage(previous)
            }

            this._nextPageMatch()
          }
        }, {
          key: '_matchesReady',
          value: function _matchesReady (matches) {
            var offset = this._offset
            var numMatches = matches.length
            var previous = this._state.findPrevious

            if (numMatches) {
              offset.matchIdx = previous ? numMatches - 1 : 0

              this._updateMatch(true)

              return true
            }

            this._advanceOffsetPage(previous)

            if (offset.wrapped) {
              offset.matchIdx = null

              if (this._pagesToSearch < 0) {
                this._updateMatch(false)

                return true
              }
            }

            return false
          }
        }, {
          key: '_nextPageMatch',
          value: function _nextPageMatch () {
            if (this._resumePageIdx !== null) {
              console.error('There can only be one pending page.')
            }

            var matches = null

            do {
              var pageIdx = this._offset.pageIdx
              matches = this._pageMatches[pageIdx]

              if (!matches) {
                this._resumePageIdx = pageIdx
                break
              }
            } while (!this._matchesReady(matches))
          }
        }, {
          key: '_advanceOffsetPage',
          value: function _advanceOffsetPage (previous) {
            var offset = this._offset
            var numPages = this._linkService.pagesCount
            offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1
            offset.matchIdx = null
            this._pagesToSearch--

            if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
              offset.pageIdx = previous ? numPages - 1 : 0
              offset.wrapped = true
            }
          }
        }, {
          key: '_updateMatch',
          value: function _updateMatch () {
            var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false
            var state = FindState.NOT_FOUND
            var wrapped = this._offset.wrapped
            this._offset.wrapped = false

            if (found) {
              var previousPage = this._selected.pageIdx
              this._selected.pageIdx = this._offset.pageIdx
              this._selected.matchIdx = this._offset.matchIdx
              state = wrapped ? FindState.WRAPPED : FindState.FOUND

              if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
                this._updatePage(previousPage)
              }
            }

            this._updateUIState(state, this._state.findPrevious)

            if (this._selected.pageIdx !== -1) {
              this._scrollMatches = true

              this._updatePage(this._selected.pageIdx)
            }
          }
        }, {
          key: '_onFindBarClose',
          value: function _onFindBarClose (evt) {
            var _this4 = this

            var pdfDocument = this._pdfDocument

            this._firstPageCapability.promise.then(function () {
              if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
                return
              }

              if (_this4._findTimeout) {
                clearTimeout(_this4._findTimeout)
                _this4._findTimeout = null
              }

              if (_this4._resumePageIdx) {
                _this4._resumePageIdx = null
                _this4._dirtyMatch = true
              }

              _this4._updateUIState(FindState.FOUND)

              _this4._highlightMatches = false

              _this4._updateAllPages()
            })
          }
        }, {
          key: '_requestMatchesCount',
          value: function _requestMatchesCount () {
            var _this$_selected = this._selected
            var pageIdx = _this$_selected.pageIdx
            var matchIdx = _this$_selected.matchIdx
            var current = 0
            var total = this._matchesCountTotal

            if (matchIdx !== -1) {
              for (var i = 0; i < pageIdx; i++) {
                current += this._pageMatches[i] && this._pageMatches[i].length || 0
              }

              current += matchIdx + 1
            }

            if (current < 1 || current > total) {
              current = total = 0
            }

            return {
              current: current,
              total: total
            }
          }
        }, {
          key: '_updateUIResultsCount',
          value: function _updateUIResultsCount () {
            this._eventBus.dispatch('updatefindmatchescount', {
              source: this,
              matchesCount: this._requestMatchesCount()
            })
          }
        }, {
          key: '_updateUIState',
          value: function _updateUIState (state, previous) {
            this._eventBus.dispatch('updatefindcontrolstate', {
              source: this,
              state: state,
              previous: previous,
              matchesCount: this._requestMatchesCount(),
              rawQuery: this._state ? this._state.query : null
            })
          }
        }, {
          key: 'highlightMatches',
          get: function get () {
            return this._highlightMatches
          }
        }, {
          key: 'pageMatches',
          get: function get () {
            return this._pageMatches
          }
        }, {
          key: 'pageMatchesLength',
          get: function get () {
            return this._pageMatchesLength
          }
        }, {
          key: 'selected',
          get: function get () {
            return this._selected
          }
        }, {
          key: 'state',
          get: function get () {
            return this._state
          }
        }, {
          key: '_query',
          get: function get () {
            if (this._state.query !== this._rawQuery) {
              this._rawQuery = this._state.query
              this._normalizedQuery = normalize(this._state.query)
            }

            return this._normalizedQuery
          }
        }])

        return PDFFindController
      }())

      exports.PDFFindController = PDFFindController
      /***/ },
    /* 19 */
    /***/ (__unused_webpack_module, exports) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.getCharacterType = getCharacterType
      exports.CharacterType = void 0
      var CharacterType = {
        SPACE: 0,
        ALPHA_LETTER: 1,
        PUNCT: 2,
        HAN_LETTER: 3,
        KATAKANA_LETTER: 4,
        HIRAGANA_LETTER: 5,
        HALFWIDTH_KATAKANA_LETTER: 6,
        THAI_LETTER: 7
      }
      exports.CharacterType = CharacterType

      function isAlphabeticalScript (charCode) {
        return charCode < 0x2e80
      }

      function isAscii (charCode) {
        return (charCode & 0xff80) === 0
      }

      function isAsciiAlpha (charCode) {
        return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a
      }

      function isAsciiDigit (charCode) {
        return charCode >= 0x30 && charCode <= 0x39
      }

      function isAsciiSpace (charCode) {
        return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a
      }

      function isHan (charCode) {
        return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff
      }

      function isKatakana (charCode) {
        return charCode >= 0x30a0 && charCode <= 0x30ff
      }

      function isHiragana (charCode) {
        return charCode >= 0x3040 && charCode <= 0x309f
      }

      function isHalfwidthKatakana (charCode) {
        return charCode >= 0xff60 && charCode <= 0xff9f
      }

      function isThai (charCode) {
        return (charCode & 0xff80) === 0x0e00
      }

      function getCharacterType (charCode) {
        if (isAlphabeticalScript(charCode)) {
          if (isAscii(charCode)) {
            if (isAsciiSpace(charCode)) {
              return CharacterType.SPACE
            } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
              return CharacterType.ALPHA_LETTER
            }

            return CharacterType.PUNCT
          } else if (isThai(charCode)) {
            return CharacterType.THAI_LETTER
          } else if (charCode === 0xa0) {
            return CharacterType.SPACE
          }

          return CharacterType.ALPHA_LETTER
        }

        if (isHan(charCode)) {
          return CharacterType.HAN_LETTER
        } else if (isKatakana(charCode)) {
          return CharacterType.KATAKANA_LETTER
        } else if (isHiragana(charCode)) {
          return CharacterType.HIRAGANA_LETTER
        } else if (isHalfwidthKatakana(charCode)) {
          return CharacterType.HALFWIDTH_KATAKANA_LETTER
        }

        return CharacterType.ALPHA_LETTER
      }
      /***/ },
    /* 20 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.isDestHashesEqual = isDestHashesEqual
      exports.isDestArraysEqual = isDestArraysEqual
      exports.PDFHistory = void 0

      var _ui_utils = __webpack_require__(6)

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var HASH_CHANGE_TIMEOUT = 1000
      var POSITION_UPDATED_THRESHOLD = 50
      var UPDATE_VIEWAREA_TIMEOUT = 1000

      function getCurrentHash () {
        return document.location.hash
      }

      var PDFHistory = /* #__PURE__ */(function () {
        function PDFHistory (_ref) {
          var _this = this

          var linkService = _ref.linkService
          var eventBus = _ref.eventBus

          _classCallCheck(this, PDFHistory)

          this.linkService = linkService
          this.eventBus = eventBus
          this._initialized = false
          this._fingerprint = ''
          this.reset()
          this._boundEvents = null
          this._isViewerInPresentationMode = false

          this.eventBus._on('presentationmodechanged', function (evt) {
            _this._isViewerInPresentationMode = evt.active || evt.switchInProgress
          })

          this.eventBus._on('pagesinit', function () {
            _this._isPagesLoaded = false

            var onPagesLoaded = function onPagesLoaded (evt) {
              _this.eventBus._off('pagesloaded', onPagesLoaded)

              _this._isPagesLoaded = !!evt.pagesCount
            }

            _this.eventBus._on('pagesloaded', onPagesLoaded)
          })
        }

        _createClass(PDFHistory, [{
          key: 'initialize',
          value: function initialize (_ref2) {
            var fingerprint = _ref2.fingerprint
            var _ref2$resetHistory = _ref2.resetHistory
            var resetHistory = _ref2$resetHistory === void 0 ? false : _ref2$resetHistory
            var _ref2$updateUrl = _ref2.updateUrl
            var updateUrl = _ref2$updateUrl === void 0 ? false : _ref2$updateUrl

            if (!fingerprint || typeof fingerprint !== 'string') {
              console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.')
              return
            }

            if (this._initialized) {
              this.reset()
            }

            var reInitialized = this._fingerprint !== '' && this._fingerprint !== fingerprint
            this._fingerprint = fingerprint
            this._updateUrl = updateUrl === true
            this._initialized = true

            this._bindEvents()

            var state = window.history.state
            this._popStateInProgress = false
            this._blockHashChange = 0
            this._currentHash = getCurrentHash()
            this._numPositionUpdates = 0
            this._uid = this._maxUid = 0
            this._destination = null
            this._position = null

            if (!this._isValidState(state, true) || resetHistory) {
              var _this$_parseCurrentHa = this._parseCurrentHash(true)
              var hash = _this$_parseCurrentHa.hash
              var page = _this$_parseCurrentHa.page
              var rotation = _this$_parseCurrentHa.rotation

              if (!hash || reInitialized || resetHistory) {
                this._pushOrReplaceState(null, true)

                return
              }

              this._pushOrReplaceState({
                hash: hash,
                page: page,
                rotation: rotation
              }, true)

              return
            }

            var destination = state.destination

            this._updateInternalState(destination, state.uid, true)

            if (destination.rotation !== undefined) {
              this._initialRotation = destination.rotation
            }

            if (destination.dest) {
              this._initialBookmark = JSON.stringify(destination.dest)
              this._destination.page = null
            } else if (destination.hash) {
              this._initialBookmark = destination.hash
            } else if (destination.page) {
              this._initialBookmark = 'page='.concat(destination.page)
            }
          }
        }, {
          key: 'reset',
          value: function reset () {
            if (this._initialized) {
              this._pageHide()

              this._initialized = false

              this._unbindEvents()
            }

            if (this._updateViewareaTimeout) {
              clearTimeout(this._updateViewareaTimeout)
              this._updateViewareaTimeout = null
            }

            this._initialBookmark = null
            this._initialRotation = null
          }
        }, {
          key: 'push',
          value: function push (_ref3) {
            var _this2 = this

            var _ref3$namedDest = _ref3.namedDest
            var namedDest = _ref3$namedDest === void 0 ? null : _ref3$namedDest
            var explicitDest = _ref3.explicitDest
            var pageNumber = _ref3.pageNumber

            if (!this._initialized) {
              return
            }

            if (namedDest && typeof namedDest !== 'string') {
              console.error('PDFHistory.push: ' + '"'.concat(namedDest, '" is not a valid namedDest parameter.'))
              return
            } else if (!Array.isArray(explicitDest)) {
              console.error('PDFHistory.push: ' + '"'.concat(explicitDest, '" is not a valid explicitDest parameter.'))
              return
            } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
              if (pageNumber !== null || this._destination) {
                console.error('PDFHistory.push: ' + '"'.concat(pageNumber, '" is not a valid pageNumber parameter.'))
                return
              }
            }

            var hash = namedDest || JSON.stringify(explicitDest)

            if (!hash) {
              return
            }

            var forceReplace = false

            if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
              if (this._destination.page) {
                return
              }

              forceReplace = true
            }

            if (this._popStateInProgress && !forceReplace) {
              return
            }

            this._pushOrReplaceState({
              dest: explicitDest,
              hash: hash,
              page: pageNumber,
              rotation: this.linkService.rotation
            }, forceReplace)

            if (!this._popStateInProgress) {
              this._popStateInProgress = true
              Promise.resolve().then(function () {
                _this2._popStateInProgress = false
              })
            }
          }
        }, {
          key: 'pushPage',
          value: function pushPage (pageNumber) {
            var _this$_destination
            var _this3 = this

            if (!this._initialized) {
              return
            }

            if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
              console.error('PDFHistory.pushPage: "'.concat(pageNumber, '" is not a valid page number.'))
              return
            }

            if (((_this$_destination = this._destination) === null || _this$_destination === void 0 ? void 0 : _this$_destination.page) === pageNumber) {
              return
            }

            if (this._popStateInProgress) {
              return
            }

            this._pushOrReplaceState({
              hash: 'page='.concat(pageNumber),
              page: pageNumber,
              rotation: this.linkService.rotation
            })

            if (!this._popStateInProgress) {
              this._popStateInProgress = true
              Promise.resolve().then(function () {
                _this3._popStateInProgress = false
              })
            }
          }
        }, {
          key: 'pushCurrentPosition',
          value: function pushCurrentPosition () {
            if (!this._initialized || this._popStateInProgress) {
              return
            }

            this._tryPushCurrentPosition()
          }
        }, {
          key: 'back',
          value: function back () {
            if (!this._initialized || this._popStateInProgress) {
              return
            }

            var state = window.history.state

            if (this._isValidState(state) && state.uid > 0) {
              window.history.back()
            }
          }
        }, {
          key: 'forward',
          value: function forward () {
            if (!this._initialized || this._popStateInProgress) {
              return
            }

            var state = window.history.state

            if (this._isValidState(state) && state.uid < this._maxUid) {
              window.history.forward()
            }
          }
        }, {
          key: '_pushOrReplaceState',
          value: function _pushOrReplaceState (destination) {
            var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            var shouldReplace = forceReplace || !this._destination
            var newState = {
              fingerprint: this._fingerprint,
              uid: shouldReplace ? this._uid : this._uid + 1,
              destination: destination
            }

            this._updateInternalState(destination, newState.uid)

            var newUrl

            if (this._updateUrl && destination !== null && destination !== void 0 && destination.hash) {
              var baseUrl = document.location.href.split('#')[0]

              if (!baseUrl.startsWith('file://')) {
                newUrl = ''.concat(baseUrl, '#').concat(destination.hash)
              }
            }

            if (shouldReplace) {
              window.history.replaceState(newState, '', newUrl)
            } else {
              window.history.pushState(newState, '', newUrl)
            }
          }
        }, {
          key: '_tryPushCurrentPosition',
          value: function _tryPushCurrentPosition () {
            var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            if (!this._position) {
              return
            }

            var position = this._position

            if (temporary) {
              position = Object.assign(Object.create(null), this._position)
              position.temporary = true
            }

            if (!this._destination) {
              this._pushOrReplaceState(position)

              return
            }

            if (this._destination.temporary) {
              this._pushOrReplaceState(position, true)

              return
            }

            if (this._destination.hash === position.hash) {
              return
            }

            if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
              return
            }

            var forceReplace = false

            if (this._destination.page >= position.first && this._destination.page <= position.page) {
              if (this._destination.dest || !this._destination.first) {
                return
              }

              forceReplace = true
            }

            this._pushOrReplaceState(position, forceReplace)
          }
        }, {
          key: '_isValidState',
          value: function _isValidState (state) {
            var checkReload = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false

            if (!state) {
              return false
            }

            if (state.fingerprint !== this._fingerprint) {
              if (checkReload) {
                if (typeof state.fingerprint !== 'string' || state.fingerprint.length !== this._fingerprint.length) {
                  return false
                }

                var _performance$getEntri = performance.getEntriesByType('navigation')
                var _performance$getEntri2 = _slicedToArray(_performance$getEntri, 1)
                var perfEntry = _performance$getEntri2[0]

                if ((perfEntry === null || perfEntry === void 0 ? void 0 : perfEntry.type) !== 'reload') {
                  return false
                }
              } else {
                return false
              }
            }

            if (!Number.isInteger(state.uid) || state.uid < 0) {
              return false
            }

            if (state.destination === null || _typeof(state.destination) !== 'object') {
              return false
            }

            return true
          }
        }, {
          key: '_updateInternalState',
          value: function _updateInternalState (destination, uid) {
            var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false

            if (this._updateViewareaTimeout) {
              clearTimeout(this._updateViewareaTimeout)
              this._updateViewareaTimeout = null
            }

            if (removeTemporary && destination !== null && destination !== void 0 && destination.temporary) {
              delete destination.temporary
            }

            this._destination = destination
            this._uid = uid
            this._maxUid = Math.max(this._maxUid, uid)
            this._numPositionUpdates = 0
          }
        }, {
          key: '_parseCurrentHash',
          value: function _parseCurrentHash () {
            var checkNameddest = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false
            var hash = unescape(getCurrentHash()).substring(1)
            var params = (0, _ui_utils.parseQueryString)(hash)
            var nameddest = params.nameddest || ''
            var page = params.page | 0

            if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {
              page = null
            }

            return {
              hash: hash,
              page: page,
              rotation: this.linkService.rotation
            }
          }
        }, {
          key: '_updateViewarea',
          value: function _updateViewarea (_ref4) {
            var _this4 = this

            var location = _ref4.location

            if (this._updateViewareaTimeout) {
              clearTimeout(this._updateViewareaTimeout)
              this._updateViewareaTimeout = null
            }

            this._position = {
              hash: this._isViewerInPresentationMode ? 'page='.concat(location.pageNumber) : location.pdfOpenParams.substring(1),
              page: this.linkService.page,
              first: location.pageNumber,
              rotation: location.rotation
            }

            if (this._popStateInProgress) {
              return
            }

            if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
              this._numPositionUpdates++
            }

            if (UPDATE_VIEWAREA_TIMEOUT > 0) {
              this._updateViewareaTimeout = setTimeout(function () {
                if (!_this4._popStateInProgress) {
                  _this4._tryPushCurrentPosition(true)
                }

                _this4._updateViewareaTimeout = null
              }, UPDATE_VIEWAREA_TIMEOUT)
            }
          }
        }, {
          key: '_popState',
          value: function _popState (_ref5) {
            var _this5 = this

            var state = _ref5.state
            var newHash = getCurrentHash()
            var hashChanged = this._currentHash !== newHash
            this._currentHash = newHash

            if (!state) {
              this._uid++

              var _this$_parseCurrentHa2 = this._parseCurrentHash()
              var hash = _this$_parseCurrentHa2.hash
              var page = _this$_parseCurrentHa2.page
              var rotation = _this$_parseCurrentHa2.rotation

              this._pushOrReplaceState({
                hash: hash,
                page: page,
                rotation: rotation
              }, true)

              return
            }

            if (!this._isValidState(state)) {
              return
            }

            this._popStateInProgress = true

            if (hashChanged) {
              this._blockHashChange++;
              (0, _ui_utils.waitOnEventOrTimeout)({
                target: window,
                name: 'hashchange',
                delay: HASH_CHANGE_TIMEOUT
              }).then(function () {
                _this5._blockHashChange--
              })
            }

            var destination = state.destination

            this._updateInternalState(destination, state.uid, true)

            if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
              this.linkService.rotation = destination.rotation
            }

            if (destination.dest) {
              this.linkService.goToDestination(destination.dest)
            } else if (destination.hash) {
              this.linkService.setHash(destination.hash)
            } else if (destination.page) {
              this.linkService.page = destination.page
            }

            Promise.resolve().then(function () {
              _this5._popStateInProgress = false
            })
          }
        }, {
          key: '_pageHide',
          value: function _pageHide () {
            if (!this._destination || this._destination.temporary) {
              this._tryPushCurrentPosition()
            }
          }
        }, {
          key: '_bindEvents',
          value: function _bindEvents () {
            if (this._boundEvents) {
              return
            }

            this._boundEvents = {
              updateViewarea: this._updateViewarea.bind(this),
              popState: this._popState.bind(this),
              pageHide: this._pageHide.bind(this)
            }

            this.eventBus._on('updateviewarea', this._boundEvents.updateViewarea)

            window.addEventListener('popstate', this._boundEvents.popState)
            window.addEventListener('pagehide', this._boundEvents.pageHide)
          }
        }, {
          key: '_unbindEvents',
          value: function _unbindEvents () {
            if (!this._boundEvents) {
              return
            }

            this.eventBus._off('updateviewarea', this._boundEvents.updateViewarea)

            window.removeEventListener('popstate', this._boundEvents.popState)
            window.removeEventListener('pagehide', this._boundEvents.pageHide)
            this._boundEvents = null
          }
        }, {
          key: 'popStateInProgress',
          get: function get () {
            return this._initialized && (this._popStateInProgress || this._blockHashChange > 0)
          }
        }, {
          key: 'initialBookmark',
          get: function get () {
            return this._initialized ? this._initialBookmark : null
          }
        }, {
          key: 'initialRotation',
          get: function get () {
            return this._initialized ? this._initialRotation : null
          }
        }])

        return PDFHistory
      }())

      exports.PDFHistory = PDFHistory

      function isDestHashesEqual (destHash, pushHash) {
        if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
          return false
        }

        if (destHash === pushHash) {
          return true
        }

        var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash)
        var nameddest = _parseQueryString.nameddest

        if (nameddest === pushHash) {
          return true
        }

        return false
      }

      function isDestArraysEqual (firstDest, secondDest) {
        function isEntryEqual (first, second) {
          if (_typeof(first) !== _typeof(second)) {
            return false
          }

          if (Array.isArray(first) || Array.isArray(second)) {
            return false
          }

          if (first !== null && _typeof(first) === 'object' && second !== null) {
            if (Object.keys(first).length !== Object.keys(second).length) {
              return false
            }

            for (var key in first) {
              if (!isEntryEqual(first[key], second[key])) {
                return false
              }
            }

            return true
          }

          return first === second || Number.isNaN(first) && Number.isNaN(second)
        }

        if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
          return false
        }

        if (firstDest.length !== secondDest.length) {
          return false
        }

        for (var i = 0, ii = firstDest.length; i < ii; i++) {
          if (!isEntryEqual(firstDest[i], secondDest[i])) {
            return false
          }
        }

        return true
      }
      /***/ },
    /* 21 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFLayerViewer = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _base_tree_viewer = __webpack_require__(15)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _get (target, property, receiver) { if (typeof Reflect !== 'undefined' && Reflect.get) { _get = Reflect.get } else { _get = function _get (target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver) } return desc.value } } return _get(target, property, receiver || target) }

      function _superPropBase (object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break } return object }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      var PDFLayerViewer = /* #__PURE__ */(function (_BaseTreeViewer) {
        _inherits(PDFLayerViewer, _BaseTreeViewer)

        var _super = _createSuper(PDFLayerViewer)

        function PDFLayerViewer (options) {
          var _this

          _classCallCheck(this, PDFLayerViewer)

          _this = _super.call(this, options)
          _this.l10n = options.l10n

          _this.eventBus._on('resetlayers', _this._resetLayers.bind(_assertThisInitialized(_this)))

          _this.eventBus._on('togglelayerstree', _this._toggleAllTreeItems.bind(_assertThisInitialized(_this)))

          return _this
        }

        _createClass(PDFLayerViewer, [{
          key: 'reset',
          value: function reset () {
            _get(_getPrototypeOf(PDFLayerViewer.prototype), 'reset', this).call(this)

            this._optionalContentConfig = null
            this._pdfDocument = null
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent (layersCount) {
            this.eventBus.dispatch('layersloaded', {
              source: this,
              layersCount: layersCount
            })
          }
        }, {
          key: '_bindLink',
          value: function _bindLink (element, _ref) {
            var _this2 = this

            var groupId = _ref.groupId
            var input = _ref.input

            var setVisibility = function setVisibility () {
              _this2._optionalContentConfig.setVisibility(groupId, input.checked)

              _this2.eventBus.dispatch('optionalcontentconfig', {
                source: _this2,
                promise: Promise.resolve(_this2._optionalContentConfig)
              })
            }

            element.onclick = function (evt) {
              if (evt.target === input) {
                setVisibility()
                return true
              } else if (evt.target !== element) {
                return true
              }

              input.checked = !input.checked
              setVisibility()
              return false
            }
          }
        }, {
          key: '_setNestedName',
          value: (function () {
            var _setNestedName2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee (element, _ref2) {
              var _ref2$name, name

              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      _ref2$name = _ref2.name, name = _ref2$name === void 0 ? null : _ref2$name

                      if (!(typeof name === 'string')) {
                        _context.next = 4
                        break
                      }

                      element.textContent = this._normalizeTextContent(name)
                      return _context.abrupt('return')

                    case 4:
                      _context.next = 6
                      return this.l10n.get('additional_layers', null, 'Additional Layers')

                    case 6:
                      element.textContent = _context.sent
                      element.style.fontStyle = 'italic'

                    case 8:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function _setNestedName (_x, _x2) {
              return _setNestedName2.apply(this, arguments)
            }

            return _setNestedName
          }())
        }, {
          key: '_addToggleButton',
          value: function _addToggleButton (div, _ref3) {
            var _ref3$name = _ref3.name
            var name = _ref3$name === void 0 ? null : _ref3$name

            _get(_getPrototypeOf(PDFLayerViewer.prototype), '_addToggleButton', this).call(this, div, name === null)
          }
        }, {
          key: '_toggleAllTreeItems',
          value: function _toggleAllTreeItems () {
            if (!this._optionalContentConfig) {
              return
            }

            _get(_getPrototypeOf(PDFLayerViewer.prototype), '_toggleAllTreeItems', this).call(this)
          }
        }, {
          key: 'render',
          value: function render (_ref4) {
            var optionalContentConfig = _ref4.optionalContentConfig
            var pdfDocument = _ref4.pdfDocument

            if (this._optionalContentConfig) {
              this.reset()
            }

            this._optionalContentConfig = optionalContentConfig || null
            this._pdfDocument = pdfDocument || null
            var groups = optionalContentConfig && optionalContentConfig.getOrder()

            if (!groups) {
              this._dispatchEvent(0)

              return
            }

            var fragment = document.createDocumentFragment()
            var queue = [{
              parent: fragment,
              groups: groups
            }]
            var layersCount = 0
            var hasAnyNesting = false

            while (queue.length > 0) {
              var levelData = queue.shift()

              var _iterator = _createForOfIteratorHelper(levelData.groups)
              var _step

              try {
                for (_iterator.s(); !(_step = _iterator.n()).done;) {
                  var groupId = _step.value
                  var div = document.createElement('div')
                  div.className = 'treeItem'
                  var element = document.createElement('a')
                  div.appendChild(element)

                  if (_typeof(groupId) === 'object') {
                    hasAnyNesting = true

                    this._addToggleButton(div, groupId)

                    this._setNestedName(element, groupId)

                    var itemsDiv = document.createElement('div')
                    itemsDiv.className = 'treeItems'
                    div.appendChild(itemsDiv)
                    queue.push({
                      parent: itemsDiv,
                      groups: groupId.order
                    })
                  } else {
                    var group = optionalContentConfig.getGroup(groupId)
                    var input = document.createElement('input')

                    this._bindLink(element, {
                      groupId: groupId,
                      input: input
                    })

                    input.type = 'checkbox'
                    input.id = groupId
                    input.checked = group.visible
                    var label = document.createElement('label')
                    label.setAttribute('for', groupId)
                    label.textContent = this._normalizeTextContent(group.name)
                    element.appendChild(input)
                    element.appendChild(label)
                    layersCount++
                  }

                  levelData.parent.appendChild(div)
                }
              } catch (err) {
                _iterator.e(err)
              } finally {
                _iterator.f()
              }
            }

            if (hasAnyNesting) {
              this.container.classList.add('treeWithDeepNesting')
              this._lastToggleIsShow = fragment.querySelectorAll('.treeItemsHidden').length === 0
            }

            this.container.appendChild(fragment)

            this._dispatchEvent(layersCount)
          }
        }, {
          key: '_resetLayers',
          value: (function () {
            var _resetLayers2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
              var optionalContentConfig
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      if (this._optionalContentConfig) {
                        _context2.next = 2
                        break
                      }

                      return _context2.abrupt('return')

                    case 2:
                      _context2.next = 4
                      return this._pdfDocument.getOptionalContentConfig()

                    case 4:
                      optionalContentConfig = _context2.sent
                      this.eventBus.dispatch('optionalcontentconfig', {
                        source: this,
                        promise: Promise.resolve(optionalContentConfig)
                      })
                      this.render({
                        optionalContentConfig: optionalContentConfig,
                        pdfDocument: this._pdfDocument
                      })

                    case 7:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2, this)
            }))

            function _resetLayers () {
              return _resetLayers2.apply(this, arguments)
            }

            return _resetLayers
          }())
        }])

        return PDFLayerViewer
      }(_base_tree_viewer.BaseTreeViewer))

      exports.PDFLayerViewer = PDFLayerViewer
      /***/ },
    /* 22 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.SimpleLinkService = exports.PDFLinkService = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _ui_utils = __webpack_require__(6)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var PDFLinkService = /* #__PURE__ */(function () {
        function PDFLinkService () {
          var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}
          var eventBus = _ref.eventBus
          var _ref$externalLinkTarg = _ref.externalLinkTarget
          var externalLinkTarget = _ref$externalLinkTarg === void 0 ? null : _ref$externalLinkTarg
          var _ref$externalLinkRel = _ref.externalLinkRel
          var externalLinkRel = _ref$externalLinkRel === void 0 ? null : _ref$externalLinkRel
          var _ref$externalLinkEnab = _ref.externalLinkEnabled
          var externalLinkEnabled = _ref$externalLinkEnab === void 0 ? true : _ref$externalLinkEnab
          var _ref$ignoreDestinatio = _ref.ignoreDestinationZoom
          var ignoreDestinationZoom = _ref$ignoreDestinatio === void 0 ? false : _ref$ignoreDestinatio

          _classCallCheck(this, PDFLinkService)

          this.eventBus = eventBus
          this.externalLinkTarget = externalLinkTarget
          this.externalLinkRel = externalLinkRel
          this.externalLinkEnabled = externalLinkEnabled
          this._ignoreDestinationZoom = ignoreDestinationZoom
          this.baseUrl = null
          this.pdfDocument = null
          this.pdfViewer = null
          this.pdfHistory = null
          this._pagesRefCache = null
        }

        _createClass(PDFLinkService, [{
          key: 'setDocument',
          value: function setDocument (pdfDocument) {
            var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null
            this.baseUrl = baseUrl
            this.pdfDocument = pdfDocument
            this._pagesRefCache = Object.create(null)
          }
        }, {
          key: 'setViewer',
          value: function setViewer (pdfViewer) {
            this.pdfViewer = pdfViewer
          }
        }, {
          key: 'setHistory',
          value: function setHistory (pdfHistory) {
            this.pdfHistory = pdfHistory
          }
        }, {
          key: 'navigateTo',
          value: function navigateTo (dest) {
            console.error('Deprecated method: `navigateTo`, use `goToDestination` instead.')
            this.goToDestination(dest)
          }
        }, {
          key: '_goToDestinationHelper',
          value: function _goToDestinationHelper (rawDest) {
            var _this = this

            var namedDest = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null
            var explicitDest = arguments.length > 2 ? arguments[2] : undefined
            var destRef = explicitDest[0]
            var pageNumber

            if (destRef instanceof Object) {
              pageNumber = this._cachedPageNumber(destRef)

              if (pageNumber === null) {
                this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                  _this.cachePageRef(pageIndex + 1, destRef)

                  _this._goToDestinationHelper(rawDest, namedDest, explicitDest)
                }).catch(function () {
                  console.error('PDFLinkService._goToDestinationHelper: "'.concat(destRef, '" is not ') + 'a valid page reference, for dest="'.concat(rawDest, '".'))
                })
                return
              }
            } else if (Number.isInteger(destRef)) {
              pageNumber = destRef + 1
            } else {
              console.error('PDFLinkService._goToDestinationHelper: "'.concat(destRef, '" is not ') + 'a valid destination reference, for dest="'.concat(rawDest, '".'))
              return
            }

            if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
              console.error('PDFLinkService._goToDestinationHelper: "'.concat(pageNumber, '" is not ') + 'a valid page number, for dest="'.concat(rawDest, '".'))
              return
            }

            if (this.pdfHistory) {
              this.pdfHistory.pushCurrentPosition()
              this.pdfHistory.push({
                namedDest: namedDest,
                explicitDest: explicitDest,
                pageNumber: pageNumber
              })
            }

            this.pdfViewer.scrollPageIntoView({
              pageNumber: pageNumber,
              destArray: explicitDest,
              ignoreDestinationZoom: this._ignoreDestinationZoom
            })
          }
        }, {
          key: 'goToDestination',
          value: (function () {
            var _goToDestination = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee (dest) {
              var namedDest, explicitDest
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      if (this.pdfDocument) {
                        _context.next = 2
                        break
                      }

                      return _context.abrupt('return')

                    case 2:
                      if (!(typeof dest === 'string')) {
                        _context.next = 9
                        break
                      }

                      namedDest = dest
                      _context.next = 6
                      return this.pdfDocument.getDestination(dest)

                    case 6:
                      explicitDest = _context.sent
                      _context.next = 13
                      break

                    case 9:
                      namedDest = null
                      _context.next = 12
                      return dest

                    case 12:
                      explicitDest = _context.sent

                    case 13:
                      if (Array.isArray(explicitDest)) {
                        _context.next = 16
                        break
                      }

                      console.error('PDFLinkService.goToDestination: "'.concat(explicitDest, '" is not ') + 'a valid destination array, for dest="'.concat(dest, '".'))
                      return _context.abrupt('return')

                    case 16:
                      this._goToDestinationHelper(dest, namedDest, explicitDest)

                    case 17:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function goToDestination (_x) {
              return _goToDestination.apply(this, arguments)
            }

            return goToDestination
          }())
        }, {
          key: 'goToPage',
          value: function goToPage (val) {
            if (!this.pdfDocument) {
              return
            }

            var pageNumber = typeof val === 'string' && this.pdfViewer.pageLabelToPageNumber(val) || val | 0

            if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
              console.error('PDFLinkService.goToPage: "'.concat(val, '" is not a valid page.'))
              return
            }

            if (this.pdfHistory) {
              this.pdfHistory.pushCurrentPosition()
              this.pdfHistory.pushPage(pageNumber)
            }

            this.pdfViewer.scrollPageIntoView({
              pageNumber: pageNumber
            })
          }
        }, {
          key: 'getDestinationHash',
          value: function getDestinationHash (dest) {
            if (typeof dest === 'string') {
              if (dest.length > 0) {
                return this.getAnchorUrl('#' + escape(dest))
              }
            } else if (Array.isArray(dest)) {
              var str = JSON.stringify(dest)

              if (str.length > 0) {
                return this.getAnchorUrl('#' + escape(str))
              }
            }

            return this.getAnchorUrl('')
          }
        }, {
          key: 'getAnchorUrl',
          value: function getAnchorUrl (anchor) {
            return (this.baseUrl || '') + anchor
          }
        }, {
          key: 'setHash',
          value: function setHash (hash) {
            if (!this.pdfDocument) {
              return
            }

            var pageNumber, dest

            if (hash.includes('=')) {
              var params = (0, _ui_utils.parseQueryString)(hash)

              if ('search' in params) {
                this.eventBus.dispatch('findfromurlhash', {
                  source: this,
                  query: params.search.replace(/"/g, ''),
                  phraseSearch: params.phrase === 'true'
                })
              }

              if ('page' in params) {
                pageNumber = params.page | 0 || 1
              }

              if ('zoom' in params) {
                var zoomArgs = params.zoom.split(',')
                var zoomArg = zoomArgs[0]
                var zoomArgNumber = parseFloat(zoomArg)

                if (!zoomArg.includes('Fit')) {
                  dest = [null, {
                    name: 'XYZ'
                  }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg]
                } else {
                  if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                    dest = [null, {
                      name: zoomArg
                    }]
                  } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                    dest = [null, {
                      name: zoomArg
                    }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null]
                  } else if (zoomArg === 'FitR') {
                    if (zoomArgs.length !== 5) {
                      console.error('PDFLinkService.setHash: Not enough parameters for "FitR".')
                    } else {
                      dest = [null, {
                        name: zoomArg
                      }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0]
                    }
                  } else {
                    console.error('PDFLinkService.setHash: "'.concat(zoomArg, '" is not ') + 'a valid zoom value.')
                  }
                }
              }

              if (dest) {
                this.pdfViewer.scrollPageIntoView({
                  pageNumber: pageNumber || this.page,
                  destArray: dest,
                  allowNegativeOffset: true
                })
              } else if (pageNumber) {
                this.page = pageNumber
              }

              if ('pagemode' in params) {
                this.eventBus.dispatch('pagemode', {
                  source: this,
                  mode: params.pagemode
                })
              }

              if ('nameddest' in params) {
                this.goToDestination(params.nameddest)
              }
            } else {
              dest = unescape(hash)

              try {
                dest = JSON.parse(dest)

                if (!Array.isArray(dest)) {
                  dest = dest.toString()
                }
              } catch (ex) {}

              if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
                this.goToDestination(dest)
                return
              }

              console.error('PDFLinkService.setHash: "'.concat(unescape(hash), '" is not ') + 'a valid destination.')
            }
          }
        }, {
          key: 'executeNamedAction',
          value: function executeNamedAction (action) {
            switch (action) {
              case 'GoBack':
                if (this.pdfHistory) {
                  this.pdfHistory.back()
                }

                break

              case 'GoForward':
                if (this.pdfHistory) {
                  this.pdfHistory.forward()
                }

                break

              case 'NextPage':
                if (this.page < this.pagesCount) {
                  this.page++
                }

                break

              case 'PrevPage':
                if (this.page > 1) {
                  this.page--
                }

                break

              case 'LastPage':
                this.page = this.pagesCount
                break

              case 'FirstPage':
                this.page = 1
                break

              default:
                break
            }

            this.eventBus.dispatch('namedaction', {
              source: this,
              action: action
            })
          }
        }, {
          key: 'cachePageRef',
          value: function cachePageRef (pageNum, pageRef) {
            if (!pageRef) {
              return
            }

            var refStr = pageRef.gen === 0 ? ''.concat(pageRef.num, 'R') : ''.concat(pageRef.num, 'R').concat(pageRef.gen)
            this._pagesRefCache[refStr] = pageNum
          }
        }, {
          key: '_cachedPageNumber',
          value: function _cachedPageNumber (pageRef) {
            var refStr = pageRef.gen === 0 ? ''.concat(pageRef.num, 'R') : ''.concat(pageRef.num, 'R').concat(pageRef.gen)
            return this._pagesRefCache && this._pagesRefCache[refStr] || null
          }
        }, {
          key: 'isPageVisible',
          value: function isPageVisible (pageNumber) {
            return this.pdfViewer.isPageVisible(pageNumber)
          }
        }, {
          key: 'isPageCached',
          value: function isPageCached (pageNumber) {
            return this.pdfViewer.isPageCached(pageNumber)
          }
        }, {
          key: 'pagesCount',
          get: function get () {
            return this.pdfDocument ? this.pdfDocument.numPages : 0
          }
        }, {
          key: 'page',
          get: function get () {
            return this.pdfViewer.currentPageNumber
          },
          set: function set (value) {
            this.pdfViewer.currentPageNumber = value
          }
        }, {
          key: 'rotation',
          get: function get () {
            return this.pdfViewer.pagesRotation
          },
          set: function set (value) {
            this.pdfViewer.pagesRotation = value
          }
        }])

        return PDFLinkService
      }())

      exports.PDFLinkService = PDFLinkService

      function isValidExplicitDestination (dest) {
        if (!Array.isArray(dest)) {
          return false
        }

        var destLength = dest.length

        if (destLength < 2) {
          return false
        }

        var page = dest[0]

        if (!(_typeof(page) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
          return false
        }

        var zoom = dest[1]

        if (!(_typeof(zoom) === 'object' && typeof zoom.name === 'string')) {
          return false
        }

        var allowNull = true

        switch (zoom.name) {
          case 'XYZ':
            if (destLength !== 5) {
              return false
            }

            break

          case 'Fit':
          case 'FitB':
            return destLength === 2

          case 'FitH':
          case 'FitBH':
          case 'FitV':
          case 'FitBV':
            if (destLength !== 3) {
              return false
            }

            break

          case 'FitR':
            if (destLength !== 6) {
              return false
            }

            allowNull = false
            break

          default:
            return false
        }

        for (var i = 2; i < destLength; i++) {
          var param = dest[i]

          if (!(typeof param === 'number' || allowNull && param === null)) {
            return false
          }
        }

        return true
      }

      var SimpleLinkService = /* #__PURE__ */(function () {
        function SimpleLinkService () {
          _classCallCheck(this, SimpleLinkService)

          this.externalLinkTarget = null
          this.externalLinkRel = null
          this.externalLinkEnabled = true
          this._ignoreDestinationZoom = false
        }

        _createClass(SimpleLinkService, [{
          key: 'goToDestination',
          value: (function () {
            var _goToDestination2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 (dest) {
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2)
            }))

            function goToDestination (_x2) {
              return _goToDestination2.apply(this, arguments)
            }

            return goToDestination
          }())
        }, {
          key: 'goToPage',
          value: function goToPage (val) {}
        }, {
          key: 'getDestinationHash',
          value: function getDestinationHash (dest) {
            return '#'
          }
        }, {
          key: 'getAnchorUrl',
          value: function getAnchorUrl (hash) {
            return '#'
          }
        }, {
          key: 'setHash',
          value: function setHash (hash) {}
        }, {
          key: 'executeNamedAction',
          value: function executeNamedAction (action) {}
        }, {
          key: 'cachePageRef',
          value: function cachePageRef (pageNum, pageRef) {}
        }, {
          key: 'isPageVisible',
          value: function isPageVisible (pageNumber) {
            return true
          }
        }, {
          key: 'isPageCached',
          value: function isPageCached (pageNumber) {
            return true
          }
        }, {
          key: 'pagesCount',
          get: function get () {
            return 0
          }
        }, {
          key: 'page',
          get: function get () {
            return 0
          },
          set: function set (value) {}
        }, {
          key: 'rotation',
          get: function get () {
            return 0
          },
          set: function set (value) {}
        }])

        return SimpleLinkService
      }())

      exports.SimpleLinkService = SimpleLinkService
      /***/ },
    /* 23 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFOutlineViewer = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _base_tree_viewer = __webpack_require__(15)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _get (target, property, receiver) { if (typeof Reflect !== 'undefined' && Reflect.get) { _get = Reflect.get } else { _get = function _get (target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver) } return desc.value } } return _get(target, property, receiver || target) }

      function _superPropBase (object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break } return object }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      var PDFOutlineViewer = /* #__PURE__ */(function (_BaseTreeViewer) {
        _inherits(PDFOutlineViewer, _BaseTreeViewer)

        var _super = _createSuper(PDFOutlineViewer)

        function PDFOutlineViewer (options) {
          var _this

          _classCallCheck(this, PDFOutlineViewer)

          _this = _super.call(this, options)
          _this.linkService = options.linkService

          _this.eventBus._on('toggleoutlinetree', _this._toggleAllTreeItems.bind(_assertThisInitialized(_this)))

          return _this
        }

        _createClass(PDFOutlineViewer, [{
          key: 'reset',
          value: function reset () {
            _get(_getPrototypeOf(PDFOutlineViewer.prototype), 'reset', this).call(this)

            this._outline = null
          }
        }, {
          key: '_dispatchEvent',
          value: function _dispatchEvent (outlineCount) {
            this.eventBus.dispatch('outlineloaded', {
              source: this,
              outlineCount: outlineCount
            })
          }
        }, {
          key: '_bindLink',
          value: function _bindLink (element, _ref) {
            var url = _ref.url
            var newWindow = _ref.newWindow
            var dest = _ref.dest
            var linkService = this.linkService

            if (url) {
              (0, _pdfjsLib.addLinkAttributes)(element, {
                url: url,
                target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
                rel: linkService.externalLinkRel,
                enabled: linkService.externalLinkEnabled
              })
              return
            }

            element.href = linkService.getDestinationHash(dest)

            element.onclick = function () {
              if (dest) {
                linkService.goToDestination(dest)
              }

              return false
            }
          }
        }, {
          key: '_setStyles',
          value: function _setStyles (element, _ref2) {
            var bold = _ref2.bold
            var italic = _ref2.italic

            if (bold) {
              element.style.fontWeight = 'bold'
            }

            if (italic) {
              element.style.fontStyle = 'italic'
            }
          }
        }, {
          key: '_addToggleButton',
          value: function _addToggleButton (div, _ref3) {
            var count = _ref3.count
            var items = _ref3.items
            var hidden = count < 0 && Math.abs(count) === items.length

            _get(_getPrototypeOf(PDFOutlineViewer.prototype), '_addToggleButton', this).call(this, div, hidden)
          }
        }, {
          key: '_toggleAllTreeItems',
          value: function _toggleAllTreeItems () {
            if (!this._outline) {
              return
            }

            _get(_getPrototypeOf(PDFOutlineViewer.prototype), '_toggleAllTreeItems', this).call(this)
          }
        }, {
          key: 'render',
          value: function render (_ref4) {
            var outline = _ref4.outline

            if (this._outline) {
              this.reset()
            }

            this._outline = outline || null

            if (!outline) {
              this._dispatchEvent(0)

              return
            }

            var fragment = document.createDocumentFragment()
            var queue = [{
              parent: fragment,
              items: outline
            }]
            var outlineCount = 0
            var hasAnyNesting = false

            while (queue.length > 0) {
              var levelData = queue.shift()

              var _iterator = _createForOfIteratorHelper(levelData.items)
              var _step

              try {
                for (_iterator.s(); !(_step = _iterator.n()).done;) {
                  var item = _step.value
                  var div = document.createElement('div')
                  div.className = 'treeItem'
                  var element = document.createElement('a')

                  this._bindLink(element, item)

                  this._setStyles(element, item)

                  element.textContent = this._normalizeTextContent(item.title)
                  div.appendChild(element)

                  if (item.items.length > 0) {
                    hasAnyNesting = true

                    this._addToggleButton(div, item)

                    var itemsDiv = document.createElement('div')
                    itemsDiv.className = 'treeItems'
                    div.appendChild(itemsDiv)
                    queue.push({
                      parent: itemsDiv,
                      items: item.items
                    })
                  }

                  levelData.parent.appendChild(div)
                  outlineCount++
                }
              } catch (err) {
                _iterator.e(err)
              } finally {
                _iterator.f()
              }
            }

            if (hasAnyNesting) {
              this.container.classList.add('treeWithDeepNesting')
              this._lastToggleIsShow = fragment.querySelectorAll('.treeItemsHidden').length === 0
            }

            this.container.appendChild(fragment)

            this._dispatchEvent(outlineCount)
          }
        }])

        return PDFOutlineViewer
      }(_base_tree_viewer.BaseTreeViewer))

      exports.PDFOutlineViewer = PDFOutlineViewer
      /***/ },
    /* 24 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFPresentationMode = void 0

      var _ui_utils = __webpack_require__(6)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500
      var DELAY_BEFORE_HIDING_CONTROLS = 3000
      var ACTIVE_SELECTOR = 'pdfPresentationMode'
      var CONTROLS_SELECTOR = 'pdfPresentationModeControls'
      var MOUSE_SCROLL_COOLDOWN_TIME = 50
      var PAGE_SWITCH_THRESHOLD = 0.1
      var SWIPE_MIN_DISTANCE_THRESHOLD = 50
      var SWIPE_ANGLE_THRESHOLD = Math.PI / 6

      var PDFPresentationMode = /* #__PURE__ */(function () {
        function PDFPresentationMode (_ref) {
          var _this = this

          var container = _ref.container
          var pdfViewer = _ref.pdfViewer
          var eventBus = _ref.eventBus
          var _ref$contextMenuItems = _ref.contextMenuItems
          var contextMenuItems = _ref$contextMenuItems === void 0 ? null : _ref$contextMenuItems

          _classCallCheck(this, PDFPresentationMode)

          this.container = container
          this.pdfViewer = pdfViewer
          this.eventBus = eventBus
          this.active = false
          this.args = null
          this.contextMenuOpen = false
          this.mouseScrollTimeStamp = 0
          this.mouseScrollDelta = 0
          this.touchSwipeState = null

          if (contextMenuItems) {
            contextMenuItems.contextFirstPage.addEventListener('click', function () {
              _this.contextMenuOpen = false

              _this.eventBus.dispatch('firstpage', {
                source: _this
              })
            })
            contextMenuItems.contextLastPage.addEventListener('click', function () {
              _this.contextMenuOpen = false

              _this.eventBus.dispatch('lastpage', {
                source: _this
              })
            })
            contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
              _this.contextMenuOpen = false

              _this.eventBus.dispatch('rotatecw', {
                source: _this
              })
            })
            contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
              _this.contextMenuOpen = false

              _this.eventBus.dispatch('rotateccw', {
                source: _this
              })
            })
          }
        }

        _createClass(PDFPresentationMode, [{
          key: 'request',
          value: function request () {
            if (this.switchInProgress || this.active || !this.pdfViewer.pagesCount) {
              return false
            }

            this._addFullscreenChangeListeners()

            this._setSwitchInProgress()

            this._notifyStateChange()

            if (this.container.requestFullscreen) {
              this.container.requestFullscreen()
            } else if (this.container.mozRequestFullScreen) {
              this.container.mozRequestFullScreen()
            } else if (this.container.webkitRequestFullscreen) {
              this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT)
            } else {
              return false
            }

            this.args = {
              page: this.pdfViewer.currentPageNumber,
              previousScale: this.pdfViewer.currentScaleValue
            }
            return true
          }
        }, {
          key: '_mouseWheel',
          value: function _mouseWheel (evt) {
            if (!this.active) {
              return
            }

            evt.preventDefault()
            var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt)
            var currentTime = new Date().getTime()
            var storedTime = this.mouseScrollTimeStamp

            if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
              return
            }

            if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
              this._resetMouseScrollState()
            }

            this.mouseScrollDelta += delta

            if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
              var totalDelta = this.mouseScrollDelta

              this._resetMouseScrollState()

              var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage()

              if (success) {
                this.mouseScrollTimeStamp = currentTime
              }
            }
          }
        }, {
          key: '_goToPreviousPage',
          value: function _goToPreviousPage () {
            var page = this.pdfViewer.currentPageNumber

            if (page <= 1) {
              return false
            }

            this.pdfViewer.currentPageNumber = page - 1
            return true
          }
        }, {
          key: '_goToNextPage',
          value: function _goToNextPage () {
            var page = this.pdfViewer.currentPageNumber

            if (page >= this.pdfViewer.pagesCount) {
              return false
            }

            this.pdfViewer.currentPageNumber = page + 1
            return true
          }
        }, {
          key: '_notifyStateChange',
          value: function _notifyStateChange () {
            this.eventBus.dispatch('presentationmodechanged', {
              source: this,
              active: this.active,
              switchInProgress: !!this.switchInProgress
            })
          }
        }, {
          key: '_setSwitchInProgress',
          value: function _setSwitchInProgress () {
            var _this2 = this

            if (this.switchInProgress) {
              clearTimeout(this.switchInProgress)
            }

            this.switchInProgress = setTimeout(function () {
              _this2._removeFullscreenChangeListeners()

              delete _this2.switchInProgress

              _this2._notifyStateChange()
            }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS)
          }
        }, {
          key: '_resetSwitchInProgress',
          value: function _resetSwitchInProgress () {
            if (this.switchInProgress) {
              clearTimeout(this.switchInProgress)
              delete this.switchInProgress
            }
          }
        }, {
          key: '_enter',
          value: function _enter () {
            var _this3 = this

            this.active = true

            this._resetSwitchInProgress()

            this._notifyStateChange()

            this.container.classList.add(ACTIVE_SELECTOR)
            setTimeout(function () {
              _this3.pdfViewer.currentPageNumber = _this3.args.page
              _this3.pdfViewer.currentScaleValue = 'page-fit'
            }, 0)

            this._addWindowListeners()

            this._showControls()

            this.contextMenuOpen = false
            this.container.setAttribute('contextmenu', 'viewerContextMenu')
            window.getSelection().removeAllRanges()
          }
        }, {
          key: '_exit',
          value: function _exit () {
            var _this4 = this

            var page = this.pdfViewer.currentPageNumber
            this.container.classList.remove(ACTIVE_SELECTOR)
            setTimeout(function () {
              _this4.active = false

              _this4._removeFullscreenChangeListeners()

              _this4._notifyStateChange()

              _this4.pdfViewer.currentScaleValue = _this4.args.previousScale
              _this4.pdfViewer.currentPageNumber = page
              _this4.args = null
            }, 0)

            this._removeWindowListeners()

            this._hideControls()

            this._resetMouseScrollState()

            this.container.removeAttribute('contextmenu')
            this.contextMenuOpen = false
          }
        }, {
          key: '_mouseDown',
          value: function _mouseDown (evt) {
            if (this.contextMenuOpen) {
              this.contextMenuOpen = false
              evt.preventDefault()
              return
            }

            if (evt.button === 0) {
              var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink')

              if (!isInternalLink) {
                evt.preventDefault()

                if (evt.shiftKey) {
                  this._goToPreviousPage()
                } else {
                  this._goToNextPage()
                }
              }
            }
          }
        }, {
          key: '_contextMenu',
          value: function _contextMenu () {
            this.contextMenuOpen = true
          }
        }, {
          key: '_showControls',
          value: function _showControls () {
            var _this5 = this

            if (this.controlsTimeout) {
              clearTimeout(this.controlsTimeout)
            } else {
              this.container.classList.add(CONTROLS_SELECTOR)
            }

            this.controlsTimeout = setTimeout(function () {
              _this5.container.classList.remove(CONTROLS_SELECTOR)

              delete _this5.controlsTimeout
            }, DELAY_BEFORE_HIDING_CONTROLS)
          }
        }, {
          key: '_hideControls',
          value: function _hideControls () {
            if (!this.controlsTimeout) {
              return
            }

            clearTimeout(this.controlsTimeout)
            this.container.classList.remove(CONTROLS_SELECTOR)
            delete this.controlsTimeout
          }
        }, {
          key: '_resetMouseScrollState',
          value: function _resetMouseScrollState () {
            this.mouseScrollTimeStamp = 0
            this.mouseScrollDelta = 0
          }
        }, {
          key: '_touchSwipe',
          value: function _touchSwipe (evt) {
            if (!this.active) {
              return
            }

            if (evt.touches.length > 1) {
              this.touchSwipeState = null
              return
            }

            switch (evt.type) {
              case 'touchstart':
                this.touchSwipeState = {
                  startX: evt.touches[0].pageX,
                  startY: evt.touches[0].pageY,
                  endX: evt.touches[0].pageX,
                  endY: evt.touches[0].pageY
                }
                break

              case 'touchmove':
                if (this.touchSwipeState === null) {
                  return
                }

                this.touchSwipeState.endX = evt.touches[0].pageX
                this.touchSwipeState.endY = evt.touches[0].pageY
                evt.preventDefault()
                break

              case 'touchend':
                if (this.touchSwipeState === null) {
                  return
                }

                var delta = 0
                var dx = this.touchSwipeState.endX - this.touchSwipeState.startX
                var dy = this.touchSwipeState.endY - this.touchSwipeState.startY
                var absAngle = Math.abs(Math.atan2(dy, dx))

                if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
                  delta = dx
                } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
                  delta = dy
                }

                if (delta > 0) {
                  this._goToPreviousPage()
                } else if (delta < 0) {
                  this._goToNextPage()
                }

                break
            }
          }
        }, {
          key: '_addWindowListeners',
          value: function _addWindowListeners () {
            this.showControlsBind = this._showControls.bind(this)
            this.mouseDownBind = this._mouseDown.bind(this)
            this.mouseWheelBind = this._mouseWheel.bind(this)
            this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this)
            this.contextMenuBind = this._contextMenu.bind(this)
            this.touchSwipeBind = this._touchSwipe.bind(this)
            window.addEventListener('mousemove', this.showControlsBind)
            window.addEventListener('mousedown', this.mouseDownBind)
            window.addEventListener('wheel', this.mouseWheelBind, {
              passive: false
            })
            window.addEventListener('keydown', this.resetMouseScrollStateBind)
            window.addEventListener('contextmenu', this.contextMenuBind)
            window.addEventListener('touchstart', this.touchSwipeBind)
            window.addEventListener('touchmove', this.touchSwipeBind)
            window.addEventListener('touchend', this.touchSwipeBind)
          }
        }, {
          key: '_removeWindowListeners',
          value: function _removeWindowListeners () {
            window.removeEventListener('mousemove', this.showControlsBind)
            window.removeEventListener('mousedown', this.mouseDownBind)
            window.removeEventListener('wheel', this.mouseWheelBind, {
              passive: false
            })
            window.removeEventListener('keydown', this.resetMouseScrollStateBind)
            window.removeEventListener('contextmenu', this.contextMenuBind)
            window.removeEventListener('touchstart', this.touchSwipeBind)
            window.removeEventListener('touchmove', this.touchSwipeBind)
            window.removeEventListener('touchend', this.touchSwipeBind)
            delete this.showControlsBind
            delete this.mouseDownBind
            delete this.mouseWheelBind
            delete this.resetMouseScrollStateBind
            delete this.contextMenuBind
            delete this.touchSwipeBind
          }
        }, {
          key: '_fullscreenChange',
          value: function _fullscreenChange () {
            if (this.isFullscreen) {
              this._enter()
            } else {
              this._exit()
            }
          }
        }, {
          key: '_addFullscreenChangeListeners',
          value: function _addFullscreenChangeListeners () {
            this.fullscreenChangeBind = this._fullscreenChange.bind(this)
            window.addEventListener('fullscreenchange', this.fullscreenChangeBind)
            window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind)
            window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind)
          }
        }, {
          key: '_removeFullscreenChangeListeners',
          value: function _removeFullscreenChangeListeners () {
            window.removeEventListener('fullscreenchange', this.fullscreenChangeBind)
            window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind)
            window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind)
            delete this.fullscreenChangeBind
          }
        }, {
          key: 'isFullscreen',
          get: function get () {
            return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen)
          }
        }])

        return PDFPresentationMode
      }())

      exports.PDFPresentationMode = PDFPresentationMode
      /***/ },
    /* 25 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFSidebarResizer = void 0

      var _ui_utils = __webpack_require__(6)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var SIDEBAR_WIDTH_VAR = '--sidebar-width'
      var SIDEBAR_MIN_WIDTH = 200
      var SIDEBAR_RESIZING_CLASS = 'sidebarResizing'

      var PDFSidebarResizer = /* #__PURE__ */(function () {
        function PDFSidebarResizer (options, eventBus) {
          var _this = this

          var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n

          _classCallCheck(this, PDFSidebarResizer)

          this.isRTL = false
          this.sidebarOpen = false
          this.doc = document.documentElement
          this._width = null
          this._outerContainerWidth = null
          this._boundEvents = Object.create(null)
          this.outerContainer = options.outerContainer
          this.resizer = options.resizer
          this.eventBus = eventBus
          l10n.getDirection().then(function (dir) {
            _this.isRTL = dir === 'rtl'
          })

          this._addEventListeners()
        }

        _createClass(PDFSidebarResizer, [{
          key: '_updateWidth',
          value: function _updateWidth () {
            var width = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0
            var maxWidth = Math.floor(this.outerContainerWidth / 2)

            if (width > maxWidth) {
              width = maxWidth
            }

            if (width < SIDEBAR_MIN_WIDTH) {
              width = SIDEBAR_MIN_WIDTH
            }

            if (width === this._width) {
              return false
            }

            this._width = width
            this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, ''.concat(width, 'px'))
            return true
          }
        }, {
          key: '_mouseMove',
          value: function _mouseMove (evt) {
            var width = evt.clientX

            if (this.isRTL) {
              width = this.outerContainerWidth - width
            }

            this._updateWidth(width)
          }
        }, {
          key: '_mouseUp',
          value: function _mouseUp (evt) {
            this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS)
            this.eventBus.dispatch('resize', {
              source: this
            })
            var _boundEvents = this._boundEvents
            window.removeEventListener('mousemove', _boundEvents.mouseMove)
            window.removeEventListener('mouseup', _boundEvents.mouseUp)
          }
        }, {
          key: '_addEventListeners',
          value: function _addEventListeners () {
            var _this2 = this

            var _boundEvents = this._boundEvents
            _boundEvents.mouseMove = this._mouseMove.bind(this)
            _boundEvents.mouseUp = this._mouseUp.bind(this)
            this.resizer.addEventListener('mousedown', function (evt) {
              if (evt.button !== 0) {
                return
              }

              _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS)

              window.addEventListener('mousemove', _boundEvents.mouseMove)
              window.addEventListener('mouseup', _boundEvents.mouseUp)
            })

            this.eventBus._on('sidebarviewchanged', function (evt) {
              _this2.sidebarOpen = !!(evt && evt.view)
            })

            this.eventBus._on('resize', function (evt) {
              if (!evt || evt.source !== window) {
                return
              }

              _this2._outerContainerWidth = null

              if (!_this2._width) {
                return
              }

              if (!_this2.sidebarOpen) {
                _this2._updateWidth(_this2._width)

                return
              }

              _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS)

              var updated = _this2._updateWidth(_this2._width)

              Promise.resolve().then(function () {
                _this2.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS)

                if (updated) {
                  _this2.eventBus.dispatch('resize', {
                    source: _this2
                  })
                }
              })
            })
          }
        }, {
          key: 'outerContainerWidth',
          get: function get () {
            if (!this._outerContainerWidth) {
              this._outerContainerWidth = this.outerContainer.clientWidth
            }

            return this._outerContainerWidth
          }
        }])

        return PDFSidebarResizer
      }())

      exports.PDFSidebarResizer = PDFSidebarResizer
      /***/ },
    /* 26 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFThumbnailViewer = void 0

      var _ui_utils = __webpack_require__(6)

      var _pdf_thumbnail_view = __webpack_require__(27)

      var _pdf_rendering_queue = __webpack_require__(10)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var THUMBNAIL_SCROLL_MARGIN = -19
      var THUMBNAIL_SELECTED_CLASS = 'selected'

      var PDFThumbnailViewer = /* #__PURE__ */(function () {
        function PDFThumbnailViewer (_ref) {
          var _this = this

          var container = _ref.container
          var eventBus = _ref.eventBus
          var linkService = _ref.linkService
          var renderingQueue = _ref.renderingQueue
          var _ref$l10n = _ref.l10n
          var l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n

          _classCallCheck(this, PDFThumbnailViewer)

          this.container = container
          this.linkService = linkService
          this.renderingQueue = renderingQueue
          this.l10n = l10n
          this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this))

          this._resetView()

          eventBus._on('optionalcontentconfigchanged', function () {
            _this._setImageDisabled = true
          })
        }

        _createClass(PDFThumbnailViewer, [{
          key: '_scrollUpdated',
          value: function _scrollUpdated () {
            this.renderingQueue.renderHighestPriority()
          }
        }, {
          key: 'getThumbnail',
          value: function getThumbnail (index) {
            return this._thumbnails[index]
          }
        }, {
          key: '_getVisibleThumbs',
          value: function _getVisibleThumbs () {
            return (0, _ui_utils.getVisibleElements)({
              scrollEl: this.container,
              views: this._thumbnails
            })
          }
        }, {
          key: 'scrollThumbnailIntoView',
          value: function scrollThumbnailIntoView (pageNumber) {
            if (!this.pdfDocument) {
              return
            }

            var thumbnailView = this._thumbnails[pageNumber - 1]

            if (!thumbnailView) {
              console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.')
              return
            }

            if (pageNumber !== this._currentPageNumber) {
              var prevThumbnailView = this._thumbnails[this._currentPageNumber - 1]
              prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS)
              thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS)
            }

            var visibleThumbs = this._getVisibleThumbs()

            var numVisibleThumbs = visibleThumbs.views.length

            if (numVisibleThumbs > 0) {
              var first = visibleThumbs.first.id
              var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first
              var shouldScroll = false

              if (pageNumber <= first || pageNumber >= last) {
                shouldScroll = true
              } else {
                visibleThumbs.views.some(function (view) {
                  if (view.id !== pageNumber) {
                    return false
                  }

                  shouldScroll = view.percent < 100
                  return true
                })
              }

              if (shouldScroll) {
                (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
                  top: THUMBNAIL_SCROLL_MARGIN
                })
              }
            }

            this._currentPageNumber = pageNumber
          }
        }, {
          key: 'cleanup',
          value: function cleanup () {
            for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
              if (this._thumbnails[i] && this._thumbnails[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                this._thumbnails[i].reset()
              }
            }

            _pdf_thumbnail_view.TempImageFactory.destroyCanvas()
          }
        }, {
          key: '_resetView',
          value: function _resetView () {
            this._thumbnails = []
            this._currentPageNumber = 1
            this._pageLabels = null
            this._pagesRotation = 0
            this._optionalContentConfigPromise = null
            this._pagesRequests = new WeakMap()
            this._setImageDisabled = false
            this.container.textContent = ''
          }
        }, {
          key: 'setDocument',
          value: function setDocument (pdfDocument) {
            var _this2 = this

            if (this.pdfDocument) {
              this._cancelRendering()

              this._resetView()
            }

            this.pdfDocument = pdfDocument

            if (!pdfDocument) {
              return
            }

            var firstPagePromise = pdfDocument.getPage(1)
            var optionalContentConfigPromise = pdfDocument.getOptionalContentConfig()
            firstPagePromise.then(function (firstPdfPage) {
              _this2._optionalContentConfigPromise = optionalContentConfigPromise
              var pagesCount = pdfDocument.numPages
              var viewport = firstPdfPage.getViewport({
                scale: 1
              })

              var checkSetImageDisabled = function checkSetImageDisabled () {
                return _this2._setImageDisabled
              }

              for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                var thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
                  container: _this2.container,
                  id: pageNum,
                  defaultViewport: viewport.clone(),
                  optionalContentConfigPromise: optionalContentConfigPromise,
                  linkService: _this2.linkService,
                  renderingQueue: _this2.renderingQueue,
                  checkSetImageDisabled: checkSetImageDisabled,
                  disableCanvasToImageConversion: false,
                  l10n: _this2.l10n
                })

                _this2._thumbnails.push(thumbnail)
              }

              var firstThumbnailView = _this2._thumbnails[0]

              if (firstThumbnailView) {
                firstThumbnailView.setPdfPage(firstPdfPage)
              }

              var thumbnailView = _this2._thumbnails[_this2._currentPageNumber - 1]
              thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS)
            }).catch(function (reason) {
              console.error('Unable to initialize thumbnail viewer', reason)
            })
          }
        }, {
          key: '_cancelRendering',
          value: function _cancelRendering () {
            for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
              if (this._thumbnails[i]) {
                this._thumbnails[i].cancelRendering()
              }
            }
          }
        }, {
          key: 'setPageLabels',
          value: function setPageLabels (labels) {
            if (!this.pdfDocument) {
              return
            }

            if (!labels) {
              this._pageLabels = null
            } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
              this._pageLabels = null
              console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.')
            } else {
              this._pageLabels = labels
            }

            for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
              var label = this._pageLabels && this._pageLabels[i]

              this._thumbnails[i].setPageLabel(label)
            }
          }
        }, {
          key: '_ensurePdfPageLoaded',
          value: function _ensurePdfPageLoaded (thumbView) {
            var _this3 = this

            if (thumbView.pdfPage) {
              return Promise.resolve(thumbView.pdfPage)
            }

            if (this._pagesRequests.has(thumbView)) {
              return this._pagesRequests.get(thumbView)
            }

            var promise = this.pdfDocument.getPage(thumbView.id).then(function (pdfPage) {
              if (!thumbView.pdfPage) {
                thumbView.setPdfPage(pdfPage)
              }

              _this3._pagesRequests.delete(thumbView)

              return pdfPage
            }).catch(function (reason) {
              console.error('Unable to get page for thumb view', reason)

              _this3._pagesRequests.delete(thumbView)
            })

            this._pagesRequests.set(thumbView, promise)

            return promise
          }
        }, {
          key: 'forceRendering',
          value: function forceRendering () {
            var _this4 = this

            var visibleThumbs = this._getVisibleThumbs()

            var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down)

            if (thumbView) {
              this._ensurePdfPageLoaded(thumbView).then(function () {
                _this4.renderingQueue.renderView(thumbView)
              })

              return true
            }

            return false
          }
        }, {
          key: 'pagesRotation',
          get: function get () {
            return this._pagesRotation
          },
          set: function set (rotation) {
            if (!(0, _ui_utils.isValidRotation)(rotation)) {
              throw new Error('Invalid thumbnails rotation angle.')
            }

            if (!this.pdfDocument) {
              return
            }

            if (this._pagesRotation === rotation) {
              return
            }

            this._pagesRotation = rotation

            for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
              this._thumbnails[i].update(rotation)
            }
          }
        }])

        return PDFThumbnailViewer
      }())

      exports.PDFThumbnailViewer = PDFThumbnailViewer
      /***/ },
    /* 27 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.TempImageFactory = exports.PDFThumbnailView = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _ui_utils = __webpack_require__(6)

      var _pdfjsLib = __webpack_require__(7)

      var _pdf_rendering_queue = __webpack_require__(10)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var MAX_NUM_SCALING_STEPS = 3
      var THUMBNAIL_CANVAS_BORDER_WIDTH = 1
      var THUMBNAIL_WIDTH = 98

      var TempImageFactory = (function TempImageFactoryClosure () {
        var tempCanvasCache = null
        return {
          getCanvas: function getCanvas (width, height) {
            var tempCanvas = tempCanvasCache

            if (!tempCanvas) {
              tempCanvas = document.createElement('canvas')
              tempCanvasCache = tempCanvas
            }

            tempCanvas.width = width
            tempCanvas.height = height
            tempCanvas.mozOpaque = true
            var ctx = tempCanvas.getContext('2d', {
              alpha: false
            })
            ctx.save()
            ctx.fillStyle = 'rgb(255, 255, 255)'
            ctx.fillRect(0, 0, width, height)
            ctx.restore()
            return tempCanvas
          },
          destroyCanvas: function destroyCanvas () {
            var tempCanvas = tempCanvasCache

            if (tempCanvas) {
              tempCanvas.width = 0
              tempCanvas.height = 0
            }

            tempCanvasCache = null
          }
        }
      }())

      exports.TempImageFactory = TempImageFactory

      var PDFThumbnailView = /* #__PURE__ */(function () {
        function PDFThumbnailView (_ref) {
          var container = _ref.container
          var id = _ref.id
          var defaultViewport = _ref.defaultViewport
          var optionalContentConfigPromise = _ref.optionalContentConfigPromise
          var linkService = _ref.linkService
          var renderingQueue = _ref.renderingQueue
          var checkSetImageDisabled = _ref.checkSetImageDisabled
          var _ref$disableCanvasToI = _ref.disableCanvasToImageConversion
          var disableCanvasToImageConversion = _ref$disableCanvasToI === void 0 ? false : _ref$disableCanvasToI
          var _ref$l10n = _ref.l10n
          var l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n

          _classCallCheck(this, PDFThumbnailView)

          this.id = id
          this.renderingId = 'thumbnail' + id
          this.pageLabel = null
          this.pdfPage = null
          this.rotation = 0
          this.viewport = defaultViewport
          this.pdfPageRotate = defaultViewport.rotation
          this._optionalContentConfigPromise = optionalContentConfigPromise || null
          this.linkService = linkService
          this.renderingQueue = renderingQueue
          this.renderTask = null
          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL
          this.resume = null

          this._checkSetImageDisabled = checkSetImageDisabled || function () {
            return false
          }

          this.disableCanvasToImageConversion = disableCanvasToImageConversion
          this.pageWidth = this.viewport.width
          this.pageHeight = this.viewport.height
          this.pageRatio = this.pageWidth / this.pageHeight
          this.canvasWidth = THUMBNAIL_WIDTH
          this.canvasHeight = this.canvasWidth / this.pageRatio | 0
          this.scale = this.canvasWidth / this.pageWidth
          this.l10n = l10n
          var anchor = document.createElement('a')
          anchor.href = linkService.getAnchorUrl('#page=' + id)

          this._thumbPageTitle.then(function (msg) {
            anchor.title = msg
          })

          anchor.onclick = function () {
            linkService.goToPage(id)
            return false
          }

          this.anchor = anchor
          var div = document.createElement('div')
          div.className = 'thumbnail'
          div.setAttribute('data-page-number', this.id)
          this.div = div
          var ring = document.createElement('div')
          ring.className = 'thumbnailSelectionRing'
          var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH
          ring.style.width = this.canvasWidth + borderAdjustment + 'px'
          ring.style.height = this.canvasHeight + borderAdjustment + 'px'
          this.ring = ring
          div.appendChild(ring)
          anchor.appendChild(div)
          container.appendChild(anchor)
        }

        _createClass(PDFThumbnailView, [{
          key: 'setPdfPage',
          value: function setPdfPage (pdfPage) {
            this.pdfPage = pdfPage
            this.pdfPageRotate = pdfPage.rotate
            var totalRotation = (this.rotation + this.pdfPageRotate) % 360
            this.viewport = pdfPage.getViewport({
              scale: 1,
              rotation: totalRotation
            })
            this.reset()
          }
        }, {
          key: 'reset',
          value: function reset () {
            this.cancelRendering()
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL
            this.pageWidth = this.viewport.width
            this.pageHeight = this.viewport.height
            this.pageRatio = this.pageWidth / this.pageHeight
            this.canvasHeight = this.canvasWidth / this.pageRatio | 0
            this.scale = this.canvasWidth / this.pageWidth
            this.div.removeAttribute('data-loaded')
            var ring = this.ring
            var childNodes = ring.childNodes

            for (var i = childNodes.length - 1; i >= 0; i--) {
              ring.removeChild(childNodes[i])
            }

            var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH
            ring.style.width = this.canvasWidth + borderAdjustment + 'px'
            ring.style.height = this.canvasHeight + borderAdjustment + 'px'

            if (this.canvas) {
              this.canvas.width = 0
              this.canvas.height = 0
              delete this.canvas
            }

            if (this.image) {
              this.image.removeAttribute('src')
              delete this.image
            }
          }
        }, {
          key: 'update',
          value: function update (rotation) {
            if (typeof rotation !== 'undefined') {
              this.rotation = rotation
            }

            var totalRotation = (this.rotation + this.pdfPageRotate) % 360
            this.viewport = this.viewport.clone({
              scale: 1,
              rotation: totalRotation
            })
            this.reset()
          }
        }, {
          key: 'cancelRendering',
          value: function cancelRendering () {
            if (this.renderTask) {
              this.renderTask.cancel()
              this.renderTask = null
            }

            this.resume = null
          }
        }, {
          key: '_getPageDrawContext',
          value: function _getPageDrawContext () {
            var canvas = document.createElement('canvas')
            this.canvas = canvas
            canvas.mozOpaque = true
            var ctx = canvas.getContext('2d', {
              alpha: false
            })
            var outputScale = (0, _ui_utils.getOutputScale)(ctx)
            canvas.width = this.canvasWidth * outputScale.sx | 0
            canvas.height = this.canvasHeight * outputScale.sy | 0
            canvas.style.width = this.canvasWidth + 'px'
            canvas.style.height = this.canvasHeight + 'px'
            var transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null
            return [ctx, transform]
          }
        }, {
          key: '_convertCanvasToImage',
          value: function _convertCanvasToImage () {
            var _this = this

            if (!this.canvas) {
              return
            }

            if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
              return
            }

            var className = 'thumbnailImage'

            if (this.disableCanvasToImageConversion) {
              this.canvas.className = className

              this._thumbPageCanvas.then(function (msg) {
                _this.canvas.setAttribute('aria-label', msg)
              })

              this.div.setAttribute('data-loaded', true)
              this.ring.appendChild(this.canvas)
              return
            }

            var image = document.createElement('img')
            image.className = className

            this._thumbPageCanvas.then(function (msg) {
              image.setAttribute('aria-label', msg)
            })

            image.style.width = this.canvasWidth + 'px'
            image.style.height = this.canvasHeight + 'px'
            image.src = this.canvas.toDataURL()
            this.image = image
            this.div.setAttribute('data-loaded', true)
            this.ring.appendChild(image)
            this.canvas.width = 0
            this.canvas.height = 0
            delete this.canvas
          }
        }, {
          key: 'draw',
          value: function draw () {
            var _this2 = this

            if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
              console.error('Must be in new state before drawing')
              return Promise.resolve(undefined)
            }

            var pdfPage = this.pdfPage

            if (!pdfPage) {
              this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED
              return Promise.reject(new Error('pdfPage is not loaded'))
            }

            this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING

            var finishRenderTask = /* #__PURE__ */(function () {
              var _ref2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
                var error
                var _args = arguments
                return _regenerator.default.wrap(function _callee$ (_context) {
                  while (1) {
                    switch (_context.prev = _context.next) {
                      case 0:
                        error = _args.length > 0 && _args[0] !== undefined ? _args[0] : null

                        if (renderTask === _this2.renderTask) {
                          _this2.renderTask = null
                        }

                        if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
                          _context.next = 4
                          break
                        }

                        return _context.abrupt('return')

                      case 4:
                        _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED

                        _this2._convertCanvasToImage()

                        if (!error) {
                          _context.next = 8
                          break
                        }

                        throw error

                      case 8:
                      case 'end':
                        return _context.stop()
                    }
                  }
                }, _callee)
              }))

              return function finishRenderTask () {
                return _ref2.apply(this, arguments)
              }
            }())

            var _this$_getPageDrawCon = this._getPageDrawContext()
            var _this$_getPageDrawCon2 = _slicedToArray(_this$_getPageDrawCon, 2)
            var ctx = _this$_getPageDrawCon2[0]
            var transform = _this$_getPageDrawCon2[1]

            var drawViewport = this.viewport.clone({
              scale: this.scale
            })

            var renderContinueCallback = function renderContinueCallback (cont) {
              if (!_this2.renderingQueue.isHighestPriority(_this2)) {
                _this2.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED

                _this2.resume = function () {
                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING
                  cont()
                }

                return
              }

              cont()
            }

            var renderContext = {
              canvasContext: ctx,
              transform: transform,
              viewport: drawViewport,
              optionalContentConfigPromise: this._optionalContentConfigPromise
            }
            var renderTask = this.renderTask = pdfPage.render(renderContext)
            renderTask.onContinue = renderContinueCallback
            var resultPromise = renderTask.promise.then(function () {
              finishRenderTask(null)
            }, function (error) {
              finishRenderTask(error)
            })
            resultPromise.finally(function () {
              var _this2$pdfPage

              var pageCached = _this2.linkService.isPageCached(_this2.id)

              if (pageCached) {
                return
              }

              (_this2$pdfPage = _this2.pdfPage) === null || _this2$pdfPage === void 0 ? void 0 : _this2$pdfPage.cleanup()
            })
            return resultPromise
          }
        }, {
          key: 'setImage',
          value: function setImage (pageView) {
            if (this._checkSetImageDisabled()) {
              return
            }

            if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
              return
            }

            var img = pageView.canvas

            if (!img) {
              return
            }

            if (!this.pdfPage) {
              this.setPdfPage(pageView.pdfPage)
            }

            this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED

            var _this$_getPageDrawCon3 = this._getPageDrawContext()
            var _this$_getPageDrawCon4 = _slicedToArray(_this$_getPageDrawCon3, 1)
            var ctx = _this$_getPageDrawCon4[0]

            var canvas = ctx.canvas

            if (img.width <= 2 * canvas.width) {
              ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height)

              this._convertCanvasToImage()

              return
            }

            var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS
            var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS
            var reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight)
            var reducedImageCtx = reducedImage.getContext('2d')

            while (reducedWidth > img.width || reducedHeight > img.height) {
              reducedWidth >>= 1
              reducedHeight >>= 1
            }

            reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight)

            while (reducedWidth > 2 * canvas.width) {
              reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1)
              reducedWidth >>= 1
              reducedHeight >>= 1
            }

            ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height)

            this._convertCanvasToImage()
          }
        }, {
          key: 'setPageLabel',
          value: function setPageLabel (label) {
            var _this3 = this

            this.pageLabel = typeof label === 'string' ? label : null

            this._thumbPageTitle.then(function (msg) {
              _this3.anchor.title = msg
            })

            if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
              return
            }

            this._thumbPageCanvas.then(function (msg) {
              if (_this3.image) {
                _this3.image.setAttribute('aria-label', msg)
              } else if (_this3.disableCanvasToImageConversion && _this3.canvas) {
                _this3.canvas.setAttribute('aria-label', msg)
              }
            })
          }
        }, {
          key: '_thumbPageTitle',
          get: function get () {
            var _this$pageLabel

            return this.l10n.get('thumb_page_title', {
              page: (_this$pageLabel = this.pageLabel) !== null && _this$pageLabel !== void 0 ? _this$pageLabel : this.id
            }, 'Page {{page}}')
          }
        }, {
          key: '_thumbPageCanvas',
          get: function get () {
            var _this$pageLabel2

            return this.l10n.get('thumb_page_canvas', {
              page: (_this$pageLabel2 = this.pageLabel) !== null && _this$pageLabel2 !== void 0 ? _this$pageLabel2 : this.id
            }, 'Thumbnail of Page {{page}}')
          }
        }])

        return PDFThumbnailView
      }())

      exports.PDFThumbnailView = PDFThumbnailView
      /***/ },
    /* 28 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFViewer = void 0

      var _base_viewer = __webpack_require__(29)

      var _pdfjsLib = __webpack_require__(7)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _get (target, property, receiver) { if (typeof Reflect !== 'undefined' && Reflect.get) { _get = Reflect.get } else { _get = function _get (target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver) } return desc.value } } return _get(target, property, receiver || target) }

      function _superPropBase (object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break } return object }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      var PDFViewer = /* #__PURE__ */(function (_BaseViewer) {
        _inherits(PDFViewer, _BaseViewer)

        var _super = _createSuper(PDFViewer)

        function PDFViewer () {
          _classCallCheck(this, PDFViewer)

          return _super.apply(this, arguments)
        }

        _createClass(PDFViewer, [{
          key: '_scrollIntoView',
          value: function _scrollIntoView (_ref) {
            var pageDiv = _ref.pageDiv
            var _ref$pageSpot = _ref.pageSpot
            var pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot
            var _ref$pageNumber = _ref.pageNumber
            var pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber

            if (!pageSpot && !this.isInPresentationMode) {
              var left = pageDiv.offsetLeft + pageDiv.clientLeft
              var right = left + pageDiv.clientWidth
              var _this$container = this.container
              var scrollLeft = _this$container.scrollLeft
              var clientWidth = _this$container.clientWidth

              if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
                pageSpot = {
                  left: 0,
                  top: 0
                }
              }
            }

            _get(_getPrototypeOf(PDFViewer.prototype), '_scrollIntoView', this).call(this, {
              pageDiv: pageDiv,
              pageSpot: pageSpot,
              pageNumber: pageNumber
            })
          }
        }, {
          key: '_getVisiblePages',
          value: function _getVisiblePages () {
            if (this.isInPresentationMode) {
              return this._getCurrentVisiblePage()
            }

            return _get(_getPrototypeOf(PDFViewer.prototype), '_getVisiblePages', this).call(this)
          }
        }, {
          key: '_updateHelper',
          value: function _updateHelper (visiblePages) {
            if (this.isInPresentationMode) {
              return
            }

            var currentId = this._currentPageNumber
            var stillFullyVisible = false

            var _iterator = _createForOfIteratorHelper(visiblePages)
            var _step

            try {
              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                var page = _step.value

                if (page.percent < 100) {
                  break
                }

                if (page.id === currentId) {
                  stillFullyVisible = true
                  break
                }
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }

            if (!stillFullyVisible) {
              currentId = visiblePages[0].id
            }

            this._setCurrentPageNumber(currentId)
          }
        }, {
          key: '_viewerElement',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, '_viewerElement', this.viewer)
          }
        }])

        return PDFViewer
      }(_base_viewer.BaseViewer))

      exports.PDFViewer = PDFViewer
      /***/ },
    /* 29 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.BaseViewer = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _ui_utils = __webpack_require__(6)

      var _pdf_rendering_queue = __webpack_require__(10)

      var _annotation_layer_builder = __webpack_require__(30)

      var _pdf_page_view = __webpack_require__(31)

      var _pdf_link_service = __webpack_require__(22)

      var _text_layer_builder = __webpack_require__(32)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var DEFAULT_CACHE_SIZE = 10

      function PDFPageViewBuffer (size) {
        var data = []

        this.push = function (view) {
          var i = data.indexOf(view)

          if (i >= 0) {
            data.splice(i, 1)
          }

          data.push(view)

          if (data.length > size) {
            data.shift().destroy()
          }
        }

        this.resize = function (newSize, pagesToKeep) {
          size = newSize

          if (pagesToKeep) {
            var pageIdsToKeep = new Set()

            for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
              pageIdsToKeep.add(pagesToKeep[i].id)
            }

            (0, _ui_utils.moveToEndOfArray)(data, function (page) {
              return pageIdsToKeep.has(page.id)
            })
          }

          while (data.length > size) {
            data.shift().destroy()
          }
        }

        this.has = function (view) {
          return data.includes(view)
        }
      }

      function isSameScale (oldScale, newScale) {
        if (newScale === oldScale) {
          return true
        }

        if (Math.abs(newScale - oldScale) < 1e-15) {
          return true
        }

        return false
      }

      var BaseViewer = /* #__PURE__ */(function () {
        function BaseViewer (options) {
          var _this$container
          var _this$viewer
          var _this = this

          _classCallCheck(this, BaseViewer)

          if (this.constructor === BaseViewer) {
            throw new Error('Cannot initialize BaseViewer.')
          }

          var viewerVersion = '2.7.320'

          if (_pdfjsLib.version !== viewerVersion) {
            throw new Error('The API version "'.concat(_pdfjsLib.version, '" does not match the Viewer version "').concat(viewerVersion, '".'))
          }

          this._name = this.constructor.name
          this.container = options.container
          this.viewer = options.viewer || options.container.firstElementChild

          if (!(((_this$container = this.container) === null || _this$container === void 0 ? void 0 : _this$container.tagName.toUpperCase()) === 'DIV' && ((_this$viewer = this.viewer) === null || _this$viewer === void 0 ? void 0 : _this$viewer.tagName.toUpperCase()) === 'DIV')) {
            throw new Error('Invalid `container` and/or `viewer` option.')
          }

          if (getComputedStyle(this.container).position !== 'absolute') {
            throw new Error('The `container` must be absolutely positioned.')
          }

          this.eventBus = options.eventBus
          this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService()
          this.downloadManager = options.downloadManager || null
          this.findController = options.findController || null
          this.removePageBorders = options.removePageBorders || false
          this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE
          this.imageResourcesPath = options.imageResourcesPath || ''
          this.renderInteractiveForms = typeof options.renderInteractiveForms === 'boolean' ? options.renderInteractiveForms : true
          this.enablePrintAutoRotate = options.enablePrintAutoRotate || false
          this.renderer = options.renderer || _ui_utils.RendererType.CANVAS
          this.enableWebGL = options.enableWebGL || false
          this.useOnlyCssZoom = options.useOnlyCssZoom || false
          this.maxCanvasPixels = options.maxCanvasPixels
          this.l10n = options.l10n || _ui_utils.NullL10n
          this.enableScripting = options.enableScripting || false
          this.defaultRenderingQueue = !options.renderingQueue

          if (this.defaultRenderingQueue) {
            this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue()
            this.renderingQueue.setViewer(this)
          } else {
            this.renderingQueue = options.renderingQueue
          }

          this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this))
          this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN
          this._onBeforeDraw = this._onAfterDraw = null

          this._resetView()

          if (this.removePageBorders) {
            this.viewer.classList.add('removePageBorders')
          }

          Promise.resolve().then(function () {
            _this.eventBus.dispatch('baseviewerinit', {
              source: _this
            })
          })
        }

        _createClass(BaseViewer, [{
          key: 'getPageView',
          value: function getPageView (index) {
            return this._pages[index]
          }
        }, {
          key: '_setCurrentPageNumber',
          value: function _setCurrentPageNumber (val) {
            var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false

            if (this._currentPageNumber === val) {
              if (resetCurrentPageView) {
                this._resetCurrentPageView()
              }

              return true
            }

            if (!(val > 0 && val <= this.pagesCount)) {
              return false
            }

            this._currentPageNumber = val
            this.eventBus.dispatch('pagechanging', {
              source: this,
              pageNumber: val,
              pageLabel: this._pageLabels && this._pageLabels[val - 1]
            })

            if (resetCurrentPageView) {
              this._resetCurrentPageView()
            }

            return true
          }
        }, {
          key: '_onePageRenderedOrForceFetch',
          value: function _onePageRenderedOrForceFetch () {
            if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
              return Promise.resolve()
            }

            return this._onePageRenderedCapability.promise
          }
        }, {
          key: 'setDocument',
          value: function setDocument (pdfDocument) {
            var _this2 = this

            if (this.pdfDocument) {
              this._cancelRendering()

              this._resetView()

              if (this.findController) {
                this.findController.setDocument(null)
              }
            }

            this.pdfDocument = pdfDocument

            if (!pdfDocument) {
              return
            }

            var pagesCount = pdfDocument.numPages
            var firstPagePromise = pdfDocument.getPage(1)
            var optionalContentConfigPromise = pdfDocument.getOptionalContentConfig()

            this._pagesCapability.promise.then(function () {
              _this2.eventBus.dispatch('pagesloaded', {
                source: _this2,
                pagesCount: pagesCount
              })
            })

            this._onBeforeDraw = function (evt) {
              var pageView = _this2._pages[evt.pageNumber - 1]

              if (!pageView) {
                return
              }

              _this2._buffer.push(pageView)
            }

            this.eventBus._on('pagerender', this._onBeforeDraw)

            this._onAfterDraw = function (evt) {
              if (evt.cssTransform || _this2._onePageRenderedCapability.settled) {
                return
              }

              _this2._onePageRenderedCapability.resolve()

              _this2.eventBus._off('pagerendered', _this2._onAfterDraw)

              _this2._onAfterDraw = null
            }

            this.eventBus._on('pagerendered', this._onAfterDraw)

            firstPagePromise.then(function (firstPdfPage) {
              _this2._firstPageCapability.resolve(firstPdfPage)

              _this2._optionalContentConfigPromise = optionalContentConfigPromise
              var scale = _this2.currentScale
              var viewport = firstPdfPage.getViewport({
                scale: scale * _ui_utils.CSS_UNITS
              })
              var textLayerFactory = _this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? _this2 : null

              for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                var pageView = new _pdf_page_view.PDFPageView({
                  container: _this2._viewerElement,
                  eventBus: _this2.eventBus,
                  id: pageNum,
                  scale: scale,
                  defaultViewport: viewport.clone(),
                  optionalContentConfigPromise: optionalContentConfigPromise,
                  renderingQueue: _this2.renderingQueue,
                  textLayerFactory: textLayerFactory,
                  textLayerMode: _this2.textLayerMode,
                  annotationLayerFactory: _this2,
                  imageResourcesPath: _this2.imageResourcesPath,
                  renderInteractiveForms: _this2.renderInteractiveForms,
                  renderer: _this2.renderer,
                  enableWebGL: _this2.enableWebGL,
                  useOnlyCssZoom: _this2.useOnlyCssZoom,
                  maxCanvasPixels: _this2.maxCanvasPixels,
                  l10n: _this2.l10n,
                  enableScripting: _this2.enableScripting
                })

                _this2._pages.push(pageView)
              }

              var firstPageView = _this2._pages[0]

              if (firstPageView) {
                firstPageView.setPdfPage(firstPdfPage)

                _this2.linkService.cachePageRef(1, firstPdfPage.ref)
              }

              if (_this2._spreadMode !== _ui_utils.SpreadMode.NONE) {
                _this2._updateSpreadMode()
              }

              _this2._onePageRenderedOrForceFetch().then(function () {
                if (_this2.findController) {
                  _this2.findController.setDocument(pdfDocument)
                }

                if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
                  _this2._pagesCapability.resolve()

                  return
                }

                var getPagesLeft = pagesCount - 1

                if (getPagesLeft <= 0) {
                  _this2._pagesCapability.resolve()

                  return
                }

                var _loop = function _loop (_pageNum) {
                  pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                    var pageView = _this2._pages[_pageNum - 1]

                    if (!pageView.pdfPage) {
                      pageView.setPdfPage(pdfPage)
                    }

                    _this2.linkService.cachePageRef(_pageNum, pdfPage.ref)

                    if (--getPagesLeft === 0) {
                      _this2._pagesCapability.resolve()
                    }
                  }, function (reason) {
                    console.error('Unable to get page '.concat(_pageNum, ' to initialize viewer'), reason)

                    if (--getPagesLeft === 0) {
                      _this2._pagesCapability.resolve()
                    }
                  })
                }

                for (var _pageNum = 2; _pageNum <= pagesCount; ++_pageNum) {
                  _loop(_pageNum)
                }
              })

              _this2.eventBus.dispatch('pagesinit', {
                source: _this2
              })

              if (_this2.defaultRenderingQueue) {
                _this2.update()
              }
            }).catch(function (reason) {
              console.error('Unable to initialize viewer', reason)
            })
          }
        }, {
          key: 'setPageLabels',
          value: function setPageLabels (labels) {
            if (!this.pdfDocument) {
              return
            }

            if (!labels) {
              this._pageLabels = null
            } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
              this._pageLabels = null
              console.error(''.concat(this._name, '.setPageLabels: Invalid page labels.'))
            } else {
              this._pageLabels = labels
            }

            for (var i = 0, ii = this._pages.length; i < ii; i++) {
              var pageView = this._pages[i]
              var label = this._pageLabels && this._pageLabels[i]
              pageView.setPageLabel(label)
            }
          }
        }, {
          key: '_resetView',
          value: function _resetView () {
            this._pages = []
            this._currentPageNumber = 1
            this._currentScale = _ui_utils.UNKNOWN_SCALE
            this._currentScaleValue = null
            this._pageLabels = null
            this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE)
            this._location = null
            this._pagesRotation = 0
            this._optionalContentConfigPromise = null
            this._pagesRequests = new WeakMap()
            this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)()
            this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)()
            this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)()
            this._scrollMode = _ui_utils.ScrollMode.VERTICAL
            this._spreadMode = _ui_utils.SpreadMode.NONE

            if (this._onBeforeDraw) {
              this.eventBus._off('pagerender', this._onBeforeDraw)

              this._onBeforeDraw = null
            }

            if (this._onAfterDraw) {
              this.eventBus._off('pagerendered', this._onAfterDraw)

              this._onAfterDraw = null
            }

            this.viewer.textContent = ''

            this._updateScrollMode()
          }
        }, {
          key: '_scrollUpdate',
          value: function _scrollUpdate () {
            if (this.pagesCount === 0) {
              return
            }

            this.update()
          }
        }, {
          key: '_scrollIntoView',
          value: function _scrollIntoView (_ref) {
            var pageDiv = _ref.pageDiv
            var _ref$pageSpot = _ref.pageSpot
            var pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot
            var _ref$pageNumber = _ref.pageNumber
            var pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
            (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot)
          }
        }, {
          key: '_setScaleUpdatePages',
          value: function _setScaleUpdatePages (newScale, newValue) {
            var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false
            var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false
            this._currentScaleValue = newValue.toString()

            if (isSameScale(this._currentScale, newScale)) {
              if (preset) {
                this.eventBus.dispatch('scalechanging', {
                  source: this,
                  scale: newScale,
                  presetValue: newValue
                })
              }

              return
            }

            for (var i = 0, ii = this._pages.length; i < ii; i++) {
              this._pages[i].update(newScale)
            }

            this._currentScale = newScale

            if (!noScroll) {
              var page = this._currentPageNumber
              var dest

              if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
                page = this._location.pageNumber
                dest = [null, {
                  name: 'XYZ'
                }, this._location.left, this._location.top, null]
              }

              this.scrollPageIntoView({
                pageNumber: page,
                destArray: dest,
                allowNegativeOffset: true
              })
            }

            this.eventBus.dispatch('scalechanging', {
              source: this,
              scale: newScale,
              presetValue: preset ? newValue : undefined
            })

            if (this.defaultRenderingQueue) {
              this.update()
            }
          }
        }, {
          key: '_setScale',
          value: function _setScale (value) {
            var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            var scale = parseFloat(value)

            if (scale > 0) {
              this._setScaleUpdatePages(scale, value, noScroll, false)
            } else {
              var currentPage = this._pages[this._currentPageNumber - 1]

              if (!currentPage) {
                return
              }

              var noPadding = this.isInPresentationMode || this.removePageBorders
              var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING
              var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING

              if (!noPadding && this._isScrollModeHorizontal) {
                var _ref2 = [vPadding, hPadding]
                hPadding = _ref2[0]
                vPadding = _ref2[1]
              }

              var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale
              var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale

              switch (value) {
                case 'page-actual':
                  scale = 1
                  break

                case 'page-width':
                  scale = pageWidthScale
                  break

                case 'page-height':
                  scale = pageHeightScale
                  break

                case 'page-fit':
                  scale = Math.min(pageWidthScale, pageHeightScale)
                  break

                case 'auto':
                  var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale)
                  scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale)
                  break

                default:
                  console.error(''.concat(this._name, '._setScale: "').concat(value, '" is an unknown zoom value.'))
                  return
              }

              this._setScaleUpdatePages(scale, value, noScroll, true)
            }
          }
        }, {
          key: '_resetCurrentPageView',
          value: function _resetCurrentPageView () {
            if (this.isInPresentationMode) {
              this._setScale(this._currentScaleValue, true)
            }

            var pageView = this._pages[this._currentPageNumber - 1]

            this._scrollIntoView({
              pageDiv: pageView.div
            })
          }
        }, {
          key: 'pageLabelToPageNumber',
          value: function pageLabelToPageNumber (label) {
            if (!this._pageLabels) {
              return null
            }

            var i = this._pageLabels.indexOf(label)

            if (i < 0) {
              return null
            }

            return i + 1
          }
        }, {
          key: 'scrollPageIntoView',
          value: function scrollPageIntoView (_ref3) {
            var pageNumber = _ref3.pageNumber
            var _ref3$destArray = _ref3.destArray
            var destArray = _ref3$destArray === void 0 ? null : _ref3$destArray
            var _ref3$allowNegativeOf = _ref3.allowNegativeOffset
            var allowNegativeOffset = _ref3$allowNegativeOf === void 0 ? false : _ref3$allowNegativeOf
            var _ref3$ignoreDestinati = _ref3.ignoreDestinationZoom
            var ignoreDestinationZoom = _ref3$ignoreDestinati === void 0 ? false : _ref3$ignoreDestinati

            if (!this.pdfDocument) {
              return
            }

            var pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1]

            if (!pageView) {
              console.error(''.concat(this._name, '.scrollPageIntoView: ') + '"'.concat(pageNumber, '" is not a valid pageNumber parameter.'))
              return
            }

            if (this.isInPresentationMode || !destArray) {
              this._setCurrentPageNumber(pageNumber, true)

              return
            }

            var x = 0
            var y = 0
            var width = 0
            var height = 0
            var widthScale
            var heightScale
            var changeOrientation = pageView.rotation % 180 !== 0
            var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS
            var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS
            var scale = 0

            switch (destArray[1].name) {
              case 'XYZ':
                x = destArray[2]
                y = destArray[3]
                scale = destArray[4]
                x = x !== null ? x : 0
                y = y !== null ? y : pageHeight
                break

              case 'Fit':
              case 'FitB':
                scale = 'page-fit'
                break

              case 'FitH':
              case 'FitBH':
                y = destArray[2]
                scale = 'page-width'

                if (y === null && this._location) {
                  x = this._location.left
                  y = this._location.top
                } else if (typeof y !== 'number') {
                  y = pageHeight
                }

                break

              case 'FitV':
              case 'FitBV':
                x = destArray[2]
                width = pageWidth
                height = pageHeight
                scale = 'page-height'
                break

              case 'FitR':
                x = destArray[2]
                y = destArray[3]
                width = destArray[4] - x
                height = destArray[5] - y
                var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING
                var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING
                widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS
                heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS
                scale = Math.min(Math.abs(widthScale), Math.abs(heightScale))
                break

              default:
                console.error(''.concat(this._name, '.scrollPageIntoView: ') + '"'.concat(destArray[1].name, '" is not a valid destination type.'))
                return
            }

            if (!ignoreDestinationZoom) {
              if (scale && scale !== this._currentScale) {
                this.currentScaleValue = scale
              } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
                this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE
              }
            }

            if (scale === 'page-fit' && !destArray[4]) {
              this._scrollIntoView({
                pageDiv: pageView.div,
                pageNumber: pageNumber
              })

              return
            }

            var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]
            var left = Math.min(boundingRect[0][0], boundingRect[1][0])
            var top = Math.min(boundingRect[0][1], boundingRect[1][1])

            if (!allowNegativeOffset) {
              left = Math.max(left, 0)
              top = Math.max(top, 0)
            }

            this._scrollIntoView({
              pageDiv: pageView.div,
              pageSpot: {
                left: left,
                top: top
              },
              pageNumber: pageNumber
            })
          }
        }, {
          key: '_updateLocation',
          value: function _updateLocation (firstPage) {
            var currentScale = this._currentScale
            var currentScaleValue = this._currentScaleValue
            var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue
            var pageNumber = firstPage.id
            var pdfOpenParams = '#page=' + pageNumber
            pdfOpenParams += '&zoom=' + normalizedScaleValue
            var currentPageView = this._pages[pageNumber - 1]
            var container = this.container
            var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y)
            var intLeft = Math.round(topLeft[0])
            var intTop = Math.round(topLeft[1])
            pdfOpenParams += ',' + intLeft + ',' + intTop
            this._location = {
              pageNumber: pageNumber,
              scale: normalizedScaleValue,
              top: intTop,
              left: intLeft,
              rotation: this._pagesRotation,
              pdfOpenParams: pdfOpenParams
            }
          }
        }, {
          key: '_updateHelper',
          value: function _updateHelper (visiblePages) {
            throw new Error('Not implemented: _updateHelper')
          }
        }, {
          key: 'update',
          value: function update () {
            var visible = this._getVisiblePages()

            var visiblePages = visible.views
            var numVisiblePages = visiblePages.length

            if (numVisiblePages === 0) {
              return
            }

            var newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1)

            this._buffer.resize(newCacheSize, visiblePages)

            this.renderingQueue.renderHighestPriority(visible)

            this._updateHelper(visiblePages)

            this._updateLocation(visible.first)

            this.eventBus.dispatch('updateviewarea', {
              source: this,
              location: this._location
            })
          }
        }, {
          key: 'containsElement',
          value: function containsElement (element) {
            return this.container.contains(element)
          }
        }, {
          key: 'focus',
          value: function focus () {
            this.container.focus()
          }
        }, {
          key: '_getCurrentVisiblePage',
          value: function _getCurrentVisiblePage () {
            if (!this.pagesCount) {
              return {
                views: []
              }
            }

            var pageView = this._pages[this._currentPageNumber - 1]
            var element = pageView.div
            var view = {
              id: pageView.id,
              x: element.offsetLeft + element.clientLeft,
              y: element.offsetTop + element.clientTop,
              view: pageView
            }
            return {
              first: view,
              last: view,
              views: [view]
            }
          }
        }, {
          key: '_getVisiblePages',
          value: function _getVisiblePages () {
            return (0, _ui_utils.getVisibleElements)({
              scrollEl: this.container,
              views: this._pages,
              sortByVisibility: true,
              horizontal: this._isScrollModeHorizontal,
              rtl: this._isScrollModeHorizontal && this._isContainerRtl
            })
          }
        }, {
          key: 'isPageVisible',
          value: function isPageVisible (pageNumber) {
            if (!this.pdfDocument) {
              return false
            }

            if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
              console.error(''.concat(this._name, '.isPageVisible: "').concat(pageNumber, '" is not a valid page.'))
              return false
            }

            return this._getVisiblePages().views.some(function (view) {
              return view.id === pageNumber
            })
          }
        }, {
          key: 'isPageCached',
          value: function isPageCached (pageNumber) {
            if (!this.pdfDocument || !this._buffer) {
              return false
            }

            if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
              console.error(''.concat(this._name, '.isPageCached: "').concat(pageNumber, '" is not a valid page.'))
              return false
            }

            var pageView = this._pages[pageNumber - 1]

            if (!pageView) {
              return false
            }

            return this._buffer.has(pageView)
          }
        }, {
          key: 'cleanup',
          value: function cleanup () {
            for (var i = 0, ii = this._pages.length; i < ii; i++) {
              if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                this._pages[i].reset()
              }
            }
          }
        }, {
          key: '_cancelRendering',
          value: function _cancelRendering () {
            for (var i = 0, ii = this._pages.length; i < ii; i++) {
              if (this._pages[i]) {
                this._pages[i].cancelRendering()
              }
            }
          }
        }, {
          key: '_ensurePdfPageLoaded',
          value: function _ensurePdfPageLoaded (pageView) {
            var _this3 = this

            if (pageView.pdfPage) {
              return Promise.resolve(pageView.pdfPage)
            }

            if (this._pagesRequests.has(pageView)) {
              return this._pagesRequests.get(pageView)
            }

            var promise = this.pdfDocument.getPage(pageView.id).then(function (pdfPage) {
              if (!pageView.pdfPage) {
                pageView.setPdfPage(pdfPage)
              }

              _this3._pagesRequests.delete(pageView)

              return pdfPage
            }).catch(function (reason) {
              console.error('Unable to get page for page view', reason)

              _this3._pagesRequests.delete(pageView)
            })

            this._pagesRequests.set(pageView, promise)

            return promise
          }
        }, {
          key: 'forceRendering',
          value: function forceRendering (currentlyVisiblePages) {
            var _this4 = this

            var visiblePages = currentlyVisiblePages || this._getVisiblePages()

            var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down
            var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead)

            if (pageView) {
              this._ensurePdfPageLoaded(pageView).then(function () {
                _this4.renderingQueue.renderView(pageView)
              })

              return true
            }

            return false
          }
        }, {
          key: 'createTextLayerBuilder',
          value: function createTextLayerBuilder (textLayerDiv, pageIndex, viewport) {
            var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false
            var eventBus = arguments.length > 4 ? arguments[4] : undefined
            return new _text_layer_builder.TextLayerBuilder({
              textLayerDiv: textLayerDiv,
              eventBus: eventBus,
              pageIndex: pageIndex,
              viewport: viewport,
              findController: this.isInPresentationMode ? null : this.findController,
              enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
            })
          }
        }, {
          key: 'createAnnotationLayerBuilder',
          value: function createAnnotationLayerBuilder (pageDiv, pdfPage) {
            var _this$pdfDocument, _this$pdfDocument2

            var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null
            var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : ''
            var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false
            var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n
            var enableScripting = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false
            var hasJSActionsPromise = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : null
            return new _annotation_layer_builder.AnnotationLayerBuilder({
              pageDiv: pageDiv,
              pdfPage: pdfPage,
              annotationStorage: annotationStorage || ((_this$pdfDocument = this.pdfDocument) === null || _this$pdfDocument === void 0 ? void 0 : _this$pdfDocument.annotationStorage),
              imageResourcesPath: imageResourcesPath,
              renderInteractiveForms: renderInteractiveForms,
              linkService: this.linkService,
              downloadManager: this.downloadManager,
              l10n: l10n,
              enableScripting: enableScripting,
              hasJSActionsPromise: hasJSActionsPromise || ((_this$pdfDocument2 = this.pdfDocument) === null || _this$pdfDocument2 === void 0 ? void 0 : _this$pdfDocument2.hasJSActions())
            })
          }
        }, {
          key: 'getPagesOverview',
          value: function getPagesOverview () {
            var pagesOverview = this._pages.map(function (pageView) {
              var viewport = pageView.pdfPage.getViewport({
                scale: 1
              })
              return {
                width: viewport.width,
                height: viewport.height,
                rotation: viewport.rotation
              }
            })

            if (!this.enablePrintAutoRotate) {
              return pagesOverview
            }

            return pagesOverview.map(function (size) {
              if ((0, _ui_utils.isPortraitOrientation)(size)) {
                return size
              }

              return {
                width: size.height,
                height: size.width,
                rotation: (size.rotation + 90) % 360
              }
            })
          }
        }, {
          key: '_updateScrollMode',
          value: function _updateScrollMode () {
            var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null
            var scrollMode = this._scrollMode
            var viewer = this.viewer
            viewer.classList.toggle('scrollHorizontal', scrollMode === _ui_utils.ScrollMode.HORIZONTAL)
            viewer.classList.toggle('scrollWrapped', scrollMode === _ui_utils.ScrollMode.WRAPPED)

            if (!this.pdfDocument || !pageNumber) {
              return
            }

            if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
              this._setScale(this._currentScaleValue, true)
            }

            this._setCurrentPageNumber(pageNumber, true)

            this.update()
          }
        }, {
          key: '_updateSpreadMode',
          value: function _updateSpreadMode () {
            var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null

            if (!this.pdfDocument) {
              return
            }

            var viewer = this.viewer
            var pages = this._pages
            viewer.textContent = ''

            if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
              for (var i = 0, iMax = pages.length; i < iMax; ++i) {
                viewer.appendChild(pages[i].div)
              }
            } else {
              var parity = this._spreadMode - 1
              var spread = null

              for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
                if (spread === null) {
                  spread = document.createElement('div')
                  spread.className = 'spread'
                  viewer.appendChild(spread)
                } else if (_i % 2 === parity) {
                  spread = spread.cloneNode(false)
                  viewer.appendChild(spread)
                }

                spread.appendChild(pages[_i].div)
              }
            }

            if (!pageNumber) {
              return
            }

            this._setCurrentPageNumber(pageNumber, true)

            this.update()
          }
        }, {
          key: 'pagesCount',
          get: function get () {
            return this._pages.length
          }
        }, {
          key: 'pageViewsReady',
          get: function get () {
            if (!this._pagesCapability.settled) {
              return false
            }

            return this._pages.every(function (pageView) {
              return pageView && pageView.pdfPage
            })
          }
        }, {
          key: 'currentPageNumber',
          get: function get () {
            return this._currentPageNumber
          },
          set: function set (val) {
            if (!Number.isInteger(val)) {
              throw new Error('Invalid page number.')
            }

            if (!this.pdfDocument) {
              return
            }

            if (!this._setCurrentPageNumber(val, true)) {
              console.error(''.concat(this._name, '.currentPageNumber: "').concat(val, '" is not a valid page.'))
            }
          }
        }, {
          key: 'currentPageLabel',
          get: function get () {
            return this._pageLabels && this._pageLabels[this._currentPageNumber - 1]
          },
          set: function set (val) {
            if (!this.pdfDocument) {
              return
            }

            var page = val | 0

            if (this._pageLabels) {
              var i = this._pageLabels.indexOf(val)

              if (i >= 0) {
                page = i + 1
              }
            }

            if (!this._setCurrentPageNumber(page, true)) {
              console.error(''.concat(this._name, '.currentPageLabel: "').concat(val, '" is not a valid page.'))
            }
          }
        }, {
          key: 'currentScale',
          get: function get () {
            return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE
          },
          set: function set (val) {
            if (isNaN(val)) {
              throw new Error('Invalid numeric scale.')
            }

            if (!this.pdfDocument) {
              return
            }

            this._setScale(val, false)
          }
        }, {
          key: 'currentScaleValue',
          get: function get () {
            return this._currentScaleValue
          },
          set: function set (val) {
            if (!this.pdfDocument) {
              return
            }

            this._setScale(val, false)
          }
        }, {
          key: 'pagesRotation',
          get: function get () {
            return this._pagesRotation
          },
          set: function set (rotation) {
            if (!(0, _ui_utils.isValidRotation)(rotation)) {
              throw new Error('Invalid pages rotation angle.')
            }

            if (!this.pdfDocument) {
              return
            }

            if (this._pagesRotation === rotation) {
              return
            }

            this._pagesRotation = rotation
            var pageNumber = this._currentPageNumber

            for (var i = 0, ii = this._pages.length; i < ii; i++) {
              var pageView = this._pages[i]
              pageView.update(pageView.scale, rotation)
            }

            if (this._currentScaleValue) {
              this._setScale(this._currentScaleValue, true)
            }

            this.eventBus.dispatch('rotationchanging', {
              source: this,
              pagesRotation: rotation,
              pageNumber: pageNumber
            })

            if (this.defaultRenderingQueue) {
              this.update()
            }
          }
        }, {
          key: 'firstPagePromise',
          get: function get () {
            return this.pdfDocument ? this._firstPageCapability.promise : null
          }
        }, {
          key: 'onePageRendered',
          get: function get () {
            return this.pdfDocument ? this._onePageRenderedCapability.promise : null
          }
        }, {
          key: 'pagesPromise',
          get: function get () {
            return this.pdfDocument ? this._pagesCapability.promise : null
          }
        }, {
          key: '_viewerElement',
          get: function get () {
            throw new Error('Not implemented: _viewerElement')
          }
        }, {
          key: '_isScrollModeHorizontal',
          get: function get () {
            return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL
          }
        }, {
          key: '_isContainerRtl',
          get: function get () {
            return getComputedStyle(this.container).direction === 'rtl'
          }
        }, {
          key: 'isInPresentationMode',
          get: function get () {
            return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN
          }
        }, {
          key: 'isChangingPresentationMode',
          get: function get () {
            return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING
          }
        }, {
          key: 'isHorizontalScrollbarEnabled',
          get: function get () {
            return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth
          }
        }, {
          key: 'isVerticalScrollbarEnabled',
          get: function get () {
            return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight
          }
        }, {
          key: 'hasEqualPageSizes',
          get: function get () {
            var firstPageView = this._pages[0]

            for (var i = 1, ii = this._pages.length; i < ii; ++i) {
              var pageView = this._pages[i]

              if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
                return false
              }
            }

            return true
          }
        }, {
          key: 'optionalContentConfigPromise',
          get: function get () {
            if (!this.pdfDocument) {
              return Promise.resolve(null)
            }

            if (!this._optionalContentConfigPromise) {
              return this.pdfDocument.getOptionalContentConfig()
            }

            return this._optionalContentConfigPromise
          },
          set: function set (promise) {
            if (!(promise instanceof Promise)) {
              throw new Error('Invalid optionalContentConfigPromise: '.concat(promise))
            }

            if (!this.pdfDocument) {
              return
            }

            if (!this._optionalContentConfigPromise) {
              return
            }

            this._optionalContentConfigPromise = promise

            var _iterator = _createForOfIteratorHelper(this._pages)
            var _step

            try {
              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                var pageView = _step.value
                pageView.update(pageView.scale, pageView.rotation, promise)
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }

            this.update()
            this.eventBus.dispatch('optionalcontentconfigchanged', {
              source: this,
              promise: promise
            })
          }
        }, {
          key: 'scrollMode',
          get: function get () {
            return this._scrollMode
          },
          set: function set (mode) {
            if (this._scrollMode === mode) {
              return
            }

            if (!(0, _ui_utils.isValidScrollMode)(mode)) {
              throw new Error('Invalid scroll mode: '.concat(mode))
            }

            this._scrollMode = mode
            this.eventBus.dispatch('scrollmodechanged', {
              source: this,
              mode: mode
            })

            this._updateScrollMode(this._currentPageNumber)
          }
        }, {
          key: 'spreadMode',
          get: function get () {
            return this._spreadMode
          },
          set: function set (mode) {
            if (this._spreadMode === mode) {
              return
            }

            if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
              throw new Error('Invalid spread mode: '.concat(mode))
            }

            this._spreadMode = mode
            this.eventBus.dispatch('spreadmodechanged', {
              source: this,
              mode: mode
            })

            this._updateSpreadMode(this._currentPageNumber)
          }
        }])

        return BaseViewer
      }())

      exports.BaseViewer = BaseViewer
      /***/ },
    /* 30 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _ui_utils = __webpack_require__(6)

      var _pdf_link_service = __webpack_require__(22)

      function _slicedToArray (arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest() }

      function _nonIterableRest () { throw new TypeError('Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _iterableToArrayLimit (arr, i) { if (typeof Symbol === 'undefined' || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break } } catch (err) { _d = true; _e = err } finally { try { if (!_n && _i.return != null) _i.return() } finally { if (_d) throw _e } } return _arr }

      function _arrayWithHoles (arr) { if (Array.isArray(arr)) return arr }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var AnnotationLayerBuilder = /* #__PURE__ */(function () {
        function AnnotationLayerBuilder (_ref) {
          var pageDiv = _ref.pageDiv
          var pdfPage = _ref.pdfPage
          var linkService = _ref.linkService
          var downloadManager = _ref.downloadManager
          var _ref$annotationStorag = _ref.annotationStorage
          var annotationStorage = _ref$annotationStorag === void 0 ? null : _ref$annotationStorag
          var _ref$imageResourcesPa = _ref.imageResourcesPath
          var imageResourcesPath = _ref$imageResourcesPa === void 0 ? '' : _ref$imageResourcesPa
          var _ref$renderInteractiv = _ref.renderInteractiveForms
          var renderInteractiveForms = _ref$renderInteractiv === void 0 ? true : _ref$renderInteractiv
          var _ref$l10n = _ref.l10n
          var l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n
          var _ref$enableScripting = _ref.enableScripting
          var enableScripting = _ref$enableScripting === void 0 ? false : _ref$enableScripting
          var _ref$hasJSActionsProm = _ref.hasJSActionsPromise
          var hasJSActionsPromise = _ref$hasJSActionsProm === void 0 ? null : _ref$hasJSActionsProm

          _classCallCheck(this, AnnotationLayerBuilder)

          this.pageDiv = pageDiv
          this.pdfPage = pdfPage
          this.linkService = linkService
          this.downloadManager = downloadManager
          this.imageResourcesPath = imageResourcesPath
          this.renderInteractiveForms = renderInteractiveForms
          this.l10n = l10n
          this.annotationStorage = annotationStorage
          this.enableScripting = enableScripting
          this._hasJSActionsPromise = hasJSActionsPromise
          this.div = null
          this._cancelled = false
        }

        _createClass(AnnotationLayerBuilder, [{
          key: 'render',
          value: function render (viewport) {
            var _this = this

            var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display'
            return Promise.all([this.pdfPage.getAnnotations({
              intent: intent
            }), this._hasJSActionsPromise]).then(function (_ref2) {
              var _ref3 = _slicedToArray(_ref2, 2)
              var annotations = _ref3[0]
              var _ref3$ = _ref3[1]
              var hasJSActions = _ref3$ === void 0 ? false : _ref3$

              if (_this._cancelled) {
                return
              }

              if (annotations.length === 0) {
                return
              }

              var parameters = {
                viewport: viewport.clone({
                  dontFlip: true
                }),
                div: _this.div,
                annotations: annotations,
                page: _this.pdfPage,
                imageResourcesPath: _this.imageResourcesPath,
                renderInteractiveForms: _this.renderInteractiveForms,
                linkService: _this.linkService,
                downloadManager: _this.downloadManager,
                annotationStorage: _this.annotationStorage,
                enableScripting: _this.enableScripting,
                hasJSActions: hasJSActions
              }

              if (_this.div) {
                _pdfjsLib.AnnotationLayer.update(parameters)
              } else {
                _this.div = document.createElement('div')
                _this.div.className = 'annotationLayer'

                _this.pageDiv.appendChild(_this.div)

                parameters.div = _this.div

                _pdfjsLib.AnnotationLayer.render(parameters)

                _this.l10n.translate(_this.div)
              }
            })
          }
        }, {
          key: 'cancel',
          value: function cancel () {
            this._cancelled = true
          }
        }, {
          key: 'hide',
          value: function hide () {
            if (!this.div) {
              return
            }

            this.div.setAttribute('hidden', 'true')
          }
        }])

        return AnnotationLayerBuilder
      }())

      exports.AnnotationLayerBuilder = AnnotationLayerBuilder

      var DefaultAnnotationLayerFactory = /* #__PURE__ */(function () {
        function DefaultAnnotationLayerFactory () {
          _classCallCheck(this, DefaultAnnotationLayerFactory)
        }

        _createClass(DefaultAnnotationLayerFactory, [{
          key: 'createAnnotationLayerBuilder',
          value: function createAnnotationLayerBuilder (pageDiv, pdfPage) {
            var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null
            var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : ''
            var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : true
            var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n
            var enableScripting = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false
            var hasJSActionsPromise = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : null
            return new AnnotationLayerBuilder({
              pageDiv: pageDiv,
              pdfPage: pdfPage,
              imageResourcesPath: imageResourcesPath,
              renderInteractiveForms: renderInteractiveForms,
              linkService: new _pdf_link_service.SimpleLinkService(),
              l10n: l10n,
              annotationStorage: annotationStorage,
              enableScripting: enableScripting,
              hasJSActionsPromise: hasJSActionsPromise
            })
          }
        }])

        return DefaultAnnotationLayerFactory
      }())

      exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory
      /***/ },
    /* 31 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFPageView = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _ui_utils = __webpack_require__(6)

      var _pdfjsLib = __webpack_require__(7)

      var _pdf_rendering_queue = __webpack_require__(10)

      var _viewer_compatibility = __webpack_require__(2)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216

      var PDFPageView = /* #__PURE__ */(function () {
        function PDFPageView (options) {
          _classCallCheck(this, PDFPageView)

          var container = options.container
          var defaultViewport = options.defaultViewport
          this.id = options.id
          this.renderingId = 'page' + this.id
          this.pdfPage = null
          this.pageLabel = null
          this.rotation = 0
          this.scale = options.scale || _ui_utils.DEFAULT_SCALE
          this.viewport = defaultViewport
          this.pdfPageRotate = defaultViewport.rotation
          this._optionalContentConfigPromise = options.optionalContentConfigPromise || null
          this.hasRestrictedScaling = false
          this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE
          this.imageResourcesPath = options.imageResourcesPath || ''
          this.renderInteractiveForms = typeof options.renderInteractiveForms === 'boolean' ? options.renderInteractiveForms : true
          this.useOnlyCssZoom = options.useOnlyCssZoom || false
          this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS
          this.eventBus = options.eventBus
          this.renderingQueue = options.renderingQueue
          this.textLayerFactory = options.textLayerFactory
          this.annotationLayerFactory = options.annotationLayerFactory
          this.renderer = options.renderer || _ui_utils.RendererType.CANVAS
          this.enableWebGL = options.enableWebGL || false
          this.l10n = options.l10n || _ui_utils.NullL10n
          this.enableScripting = options.enableScripting || false
          this.paintTask = null
          this.paintedViewportMap = new WeakMap()
          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL
          this.resume = null
          this._renderError = null
          this.annotationLayer = null
          this.textLayer = null
          this.zoomLayer = null
          var div = document.createElement('div')
          div.className = 'page'
          div.style.width = Math.floor(this.viewport.width) + 'px'
          div.style.height = Math.floor(this.viewport.height) + 'px'
          div.setAttribute('data-page-number', this.id)
          this.div = div
          container.appendChild(div)
        }

        _createClass(PDFPageView, [{
          key: 'setPdfPage',
          value: function setPdfPage (pdfPage) {
            this.pdfPage = pdfPage
            this.pdfPageRotate = pdfPage.rotate
            var totalRotation = (this.rotation + this.pdfPageRotate) % 360
            this.viewport = pdfPage.getViewport({
              scale: this.scale * _ui_utils.CSS_UNITS,
              rotation: totalRotation
            })
            this.reset()
          }
        }, {
          key: 'destroy',
          value: function destroy () {
            this.reset()

            if (this.pdfPage) {
              this.pdfPage.cleanup()
            }
          }
        }, {
          key: '_renderAnnotationLayer',
          value: (function () {
            var _renderAnnotationLayer2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
              var error
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      error = null
                      _context.prev = 1
                      _context.next = 4
                      return this.annotationLayer.render(this.viewport, 'display')

                    case 4:
                      _context.next = 9
                      break

                    case 6:
                      _context.prev = 6
                      _context.t0 = _context.catch(1)
                      error = _context.t0

                    case 9:
                      _context.prev = 9
                      this.eventBus.dispatch('annotationlayerrendered', {
                        source: this,
                        pageNumber: this.id,
                        error: error
                      })
                      return _context.finish(9)

                    case 12:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this, [[1, 6, 9, 12]])
            }))

            function _renderAnnotationLayer () {
              return _renderAnnotationLayer2.apply(this, arguments)
            }

            return _renderAnnotationLayer
          }())
        }, {
          key: '_resetZoomLayer',
          value: function _resetZoomLayer () {
            var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            if (!this.zoomLayer) {
              return
            }

            var zoomLayerCanvas = this.zoomLayer.firstChild
            this.paintedViewportMap.delete(zoomLayerCanvas)
            zoomLayerCanvas.width = 0
            zoomLayerCanvas.height = 0

            if (removeFromDOM) {
              this.zoomLayer.remove()
            }

            this.zoomLayer = null
          }
        }, {
          key: 'reset',
          value: function reset () {
            var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false
            var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            this.cancelRendering(keepAnnotations)
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL
            var div = this.div
            div.style.width = Math.floor(this.viewport.width) + 'px'
            div.style.height = Math.floor(this.viewport.height) + 'px'
            var childNodes = div.childNodes
            var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null
            var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null

            for (var i = childNodes.length - 1; i >= 0; i--) {
              var node = childNodes[i]

              if (currentZoomLayerNode === node || currentAnnotationNode === node) {
                continue
              }

              div.removeChild(node)
            }

            div.removeAttribute('data-loaded')

            if (currentAnnotationNode) {
              this.annotationLayer.hide()
            } else if (this.annotationLayer) {
              this.annotationLayer.cancel()
              this.annotationLayer = null
            }

            if (!currentZoomLayerNode) {
              if (this.canvas) {
                this.paintedViewportMap.delete(this.canvas)
                this.canvas.width = 0
                this.canvas.height = 0
                delete this.canvas
              }

              this._resetZoomLayer()
            }

            if (this.svg) {
              this.paintedViewportMap.delete(this.svg)
              delete this.svg
            }

            this.loadingIconDiv = document.createElement('div')
            this.loadingIconDiv.className = 'loadingIcon'
            div.appendChild(this.loadingIconDiv)
          }
        }, {
          key: 'update',
          value: function update (scale, rotation) {
            var optionalContentConfigPromise = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null
            this.scale = scale || this.scale

            if (typeof rotation !== 'undefined') {
              this.rotation = rotation
            }

            if (optionalContentConfigPromise instanceof Promise) {
              this._optionalContentConfigPromise = optionalContentConfigPromise
            }

            var totalRotation = (this.rotation + this.pdfPageRotate) % 360
            this.viewport = this.viewport.clone({
              scale: this.scale * _ui_utils.CSS_UNITS,
              rotation: totalRotation
            })

            if (this.svg) {
              this.cssTransform(this.svg, true)
              this.eventBus.dispatch('pagerendered', {
                source: this,
                pageNumber: this.id,
                cssTransform: true,
                timestamp: performance.now(),
                error: this._renderError
              })
              return
            }

            var isScalingRestricted = false

            if (this.canvas && this.maxCanvasPixels > 0) {
              var outputScale = this.outputScale

              if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
                isScalingRestricted = true
              }
            }

            if (this.canvas) {
              if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
                this.cssTransform(this.canvas, true)
                this.eventBus.dispatch('pagerendered', {
                  source: this,
                  pageNumber: this.id,
                  cssTransform: true,
                  timestamp: performance.now(),
                  error: this._renderError
                })
                return
              }

              if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
                this.zoomLayer = this.canvas.parentNode
                this.zoomLayer.style.position = 'absolute'
              }
            }

            if (this.zoomLayer) {
              this.cssTransform(this.zoomLayer.firstChild)
            }

            this.reset(true, true)
          }
        }, {
          key: 'cancelRendering',
          value: function cancelRendering () {
            var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            if (this.paintTask) {
              this.paintTask.cancel()
              this.paintTask = null
            }

            this.resume = null

            if (this.textLayer) {
              this.textLayer.cancel()
              this.textLayer = null
            }

            if (!keepAnnotations && this.annotationLayer) {
              this.annotationLayer.cancel()
              this.annotationLayer = null
            }
          }
        }, {
          key: 'cssTransform',
          value: function cssTransform (target) {
            var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false
            var width = this.viewport.width
            var height = this.viewport.height
            var div = this.div
            target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px'
            target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px'
            var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation
            var absRotation = Math.abs(relativeRotation)
            var scaleX = 1
            var scaleY = 1

            if (absRotation === 90 || absRotation === 270) {
              scaleX = height / width
              scaleY = width / height
            }

            target.style.transform = 'rotate('.concat(relativeRotation, 'deg) scale(').concat(scaleX, ', ').concat(scaleY, ')')

            if (this.textLayer) {
              var textLayerViewport = this.textLayer.viewport
              var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation
              var textAbsRotation = Math.abs(textRelativeRotation)
              var scale = width / textLayerViewport.width

              if (textAbsRotation === 90 || textAbsRotation === 270) {
                scale = width / textLayerViewport.height
              }

              var textLayerDiv = this.textLayer.textLayerDiv
              var transX, transY

              switch (textAbsRotation) {
                case 0:
                  transX = transY = 0
                  break

                case 90:
                  transX = 0
                  transY = '-' + textLayerDiv.style.height
                  break

                case 180:
                  transX = '-' + textLayerDiv.style.width
                  transY = '-' + textLayerDiv.style.height
                  break

                case 270:
                  transX = '-' + textLayerDiv.style.width
                  transY = 0
                  break

                default:
                  console.error('Bad rotation value.')
                  break
              }

              textLayerDiv.style.transform = 'rotate('.concat(textAbsRotation, 'deg) ') + 'scale('.concat(scale, ') ') + 'translate('.concat(transX, ', ').concat(transY, ')')
              textLayerDiv.style.transformOrigin = '0% 0%'
            }

            if (redrawAnnotations && this.annotationLayer) {
              this._renderAnnotationLayer()
            }
          }
        }, {
          key: 'getPagePoint',
          value: function getPagePoint (x, y) {
            return this.viewport.convertToPdfPoint(x, y)
          }
        }, {
          key: 'draw',
          value: function draw () {
            var _this = this

            if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
              console.error('Must be in new state before drawing')
              this.reset()
            }

            var div = this.div
            var pdfPage = this.pdfPage

            if (!pdfPage) {
              this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED

              if (this.loadingIconDiv) {
                div.removeChild(this.loadingIconDiv)
                delete this.loadingIconDiv
              }

              return Promise.reject(new Error('pdfPage is not loaded'))
            }

            this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING
            var canvasWrapper = document.createElement('div')
            canvasWrapper.style.width = div.style.width
            canvasWrapper.style.height = div.style.height
            canvasWrapper.classList.add('canvasWrapper')

            if (this.annotationLayer && this.annotationLayer.div) {
              div.insertBefore(canvasWrapper, this.annotationLayer.div)
            } else {
              div.appendChild(canvasWrapper)
            }

            var textLayer = null

            if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
              var textLayerDiv = document.createElement('div')
              textLayerDiv.className = 'textLayer'
              textLayerDiv.style.width = canvasWrapper.style.width
              textLayerDiv.style.height = canvasWrapper.style.height

              if (this.annotationLayer && this.annotationLayer.div) {
                div.insertBefore(textLayerDiv, this.annotationLayer.div)
              } else {
                div.appendChild(textLayerDiv)
              }

              textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus)
            }

            this.textLayer = textLayer
            var renderContinueCallback = null

            if (this.renderingQueue) {
              renderContinueCallback = function renderContinueCallback (cont) {
                if (!_this.renderingQueue.isHighestPriority(_this)) {
                  _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED

                  _this.resume = function () {
                    _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING
                    cont()
                  }

                  return
                }

                cont()
              }
            }

            var finishPaintTask = /* #__PURE__ */(function () {
              var _ref = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
                var error
                var _args2 = arguments
                return _regenerator.default.wrap(function _callee2$ (_context2) {
                  while (1) {
                    switch (_context2.prev = _context2.next) {
                      case 0:
                        error = _args2.length > 0 && _args2[0] !== undefined ? _args2[0] : null

                        if (paintTask === _this.paintTask) {
                          _this.paintTask = null
                        }

                        if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
                          _context2.next = 5
                          break
                        }

                        _this._renderError = null
                        return _context2.abrupt('return')

                      case 5:
                        _this._renderError = error
                        _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED

                        if (_this.loadingIconDiv) {
                          div.removeChild(_this.loadingIconDiv)
                          delete _this.loadingIconDiv
                        }

                        _this._resetZoomLayer(true)

                        _this.eventBus.dispatch('pagerendered', {
                          source: _this,
                          pageNumber: _this.id,
                          cssTransform: false,
                          timestamp: performance.now(),
                          error: _this._renderError
                        })

                        if (!error) {
                          _context2.next = 12
                          break
                        }

                        throw error

                      case 12:
                      case 'end':
                        return _context2.stop()
                    }
                  }
                }, _callee2)
              }))

              return function finishPaintTask () {
                return _ref.apply(this, arguments)
              }
            }())

            var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper)
            paintTask.onRenderContinue = renderContinueCallback
            this.paintTask = paintTask
            var resultPromise = paintTask.promise.then(function () {
              return finishPaintTask(null).then(function () {
                if (textLayer) {
                  var readableStream = pdfPage.streamTextContent({
                    normalizeWhitespace: true
                  })
                  textLayer.setTextContentStream(readableStream)
                  textLayer.render()
                }
              })
            }, function (reason) {
              return finishPaintTask(reason)
            })

            if (this.annotationLayerFactory) {
              if (!this.annotationLayer) {
                this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, null, this.imageResourcesPath, this.renderInteractiveForms, this.l10n, this.enableScripting, null)
              }

              this._renderAnnotationLayer()
            }

            div.setAttribute('data-loaded', true)
            this.eventBus.dispatch('pagerender', {
              source: this,
              pageNumber: this.id
            })
            return resultPromise
          }
        }, {
          key: 'paintOnCanvas',
          value: function paintOnCanvas (canvasWrapper) {
            var renderCapability = (0, _pdfjsLib.createPromiseCapability)()
            var result = {
              promise: renderCapability.promise,
              onRenderContinue: function onRenderContinue (cont) {
                cont()
              },
              cancel: function cancel () {
                renderTask.cancel()
              }
            }
            var viewport = this.viewport
            var canvas = document.createElement('canvas')
            this.l10n.get('page_canvas', {
              page: this.id
            }, 'Page {{page}}').then(function (msg) {
              canvas.setAttribute('aria-label', msg)
            })
            canvas.setAttribute('hidden', 'hidden')
            var isCanvasHidden = true

            var showCanvas = function showCanvas () {
              if (isCanvasHidden) {
                canvas.removeAttribute('hidden')
                isCanvasHidden = false
              }
            }

            canvasWrapper.appendChild(canvas)
            this.canvas = canvas
            canvas.mozOpaque = true
            var ctx = canvas.getContext('2d', {
              alpha: false
            })
            var outputScale = (0, _ui_utils.getOutputScale)(ctx)
            this.outputScale = outputScale

            if (this.useOnlyCssZoom) {
              var actualSizeViewport = viewport.clone({
                scale: _ui_utils.CSS_UNITS
              })
              outputScale.sx *= actualSizeViewport.width / viewport.width
              outputScale.sy *= actualSizeViewport.height / viewport.height
              outputScale.scaled = true
            }

            if (this.maxCanvasPixels > 0) {
              var pixelsInViewport = viewport.width * viewport.height
              var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport)

              if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
                outputScale.sx = maxScale
                outputScale.sy = maxScale
                outputScale.scaled = true
                this.hasRestrictedScaling = true
              } else {
                this.hasRestrictedScaling = false
              }
            }

            var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx)
            var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy)
            canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0])
            canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0])
            canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px'
            canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px'
            this.paintedViewportMap.set(canvas, viewport)
            var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
            var renderContext = {
              canvasContext: ctx,
              transform: transform,
              viewport: this.viewport,
              enableWebGL: this.enableWebGL,
              renderInteractiveForms: this.renderInteractiveForms,
              optionalContentConfigPromise: this._optionalContentConfigPromise
            }
            var renderTask = this.pdfPage.render(renderContext)

            renderTask.onContinue = function (cont) {
              showCanvas()

              if (result.onRenderContinue) {
                result.onRenderContinue(cont)
              } else {
                cont()
              }
            }

            renderTask.promise.then(function () {
              showCanvas()
              renderCapability.resolve(undefined)
            }, function (error) {
              showCanvas()
              renderCapability.reject(error)
            })
            return result
          }
        }, {
          key: 'paintOnSvg',
          value: function paintOnSvg (wrapper) {
            var _this2 = this

            var cancelled = false

            var ensureNotCancelled = function ensureNotCancelled () {
              if (cancelled) {
                throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page '.concat(_this2.id), 'svg')
              }
            }

            var pdfPage = this.pdfPage
            var actualSizeViewport = this.viewport.clone({
              scale: _ui_utils.CSS_UNITS
            })
            var promise = pdfPage.getOperatorList().then(function (opList) {
              ensureNotCancelled()
              var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs)
              return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
                ensureNotCancelled()
                _this2.svg = svg

                _this2.paintedViewportMap.set(svg, actualSizeViewport)

                svg.style.width = wrapper.style.width
                svg.style.height = wrapper.style.height
                _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED
                wrapper.appendChild(svg)
              })
            })
            return {
              promise: promise,
              onRenderContinue: function onRenderContinue (cont) {
                cont()
              },
              cancel: function cancel () {
                cancelled = true
              }
            }
          }
        }, {
          key: 'setPageLabel',
          value: function setPageLabel (label) {
            this.pageLabel = typeof label === 'string' ? label : null

            if (this.pageLabel !== null) {
              this.div.setAttribute('data-page-label', this.pageLabel)
            } else {
              this.div.removeAttribute('data-page-label')
            }
          }
        }, {
          key: 'width',
          get: function get () {
            return this.viewport.width
          }
        }, {
          key: 'height',
          get: function get () {
            return this.viewport.height
          }
        }])

        return PDFPageView
      }())

      exports.PDFPageView = PDFPageView
      /***/ },
    /* 32 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0

      var _pdfjsLib = __webpack_require__(7)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var EXPAND_DIVS_TIMEOUT = 300

      var TextLayerBuilder = /* #__PURE__ */(function () {
        function TextLayerBuilder (_ref) {
          var textLayerDiv = _ref.textLayerDiv
          var eventBus = _ref.eventBus
          var pageIndex = _ref.pageIndex
          var viewport = _ref.viewport
          var _ref$findController = _ref.findController
          var findController = _ref$findController === void 0 ? null : _ref$findController
          var _ref$enhanceTextSelec = _ref.enhanceTextSelection
          var enhanceTextSelection = _ref$enhanceTextSelec === void 0 ? false : _ref$enhanceTextSelec

          _classCallCheck(this, TextLayerBuilder)

          this.textLayerDiv = textLayerDiv
          this.eventBus = eventBus
          this.textContent = null
          this.textContentItemsStr = []
          this.textContentStream = null
          this.renderingDone = false
          this.pageIdx = pageIndex
          this.pageNumber = this.pageIdx + 1
          this.matches = []
          this.viewport = viewport
          this.textDivs = []
          this.findController = findController
          this.textLayerRenderTask = null
          this.enhanceTextSelection = enhanceTextSelection
          this._onUpdateTextLayerMatches = null

          this._bindMouse()
        }

        _createClass(TextLayerBuilder, [{
          key: '_finishRendering',
          value: function _finishRendering () {
            this.renderingDone = true

            if (!this.enhanceTextSelection) {
              var endOfContent = document.createElement('div')
              endOfContent.className = 'endOfContent'
              this.textLayerDiv.appendChild(endOfContent)
            }

            this.eventBus.dispatch('textlayerrendered', {
              source: this,
              pageNumber: this.pageNumber,
              numTextDivs: this.textDivs.length
            })
          }
        }, {
          key: 'render',
          value: function render () {
            var _this = this

            var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0

            if (!(this.textContent || this.textContentStream) || this.renderingDone) {
              return
            }

            this.cancel()
            this.textDivs = []
            var textLayerFrag = document.createDocumentFragment()
            this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
              textContent: this.textContent,
              textContentStream: this.textContentStream,
              container: textLayerFrag,
              viewport: this.viewport,
              textDivs: this.textDivs,
              textContentItemsStr: this.textContentItemsStr,
              timeout: timeout,
              enhanceTextSelection: this.enhanceTextSelection
            })
            this.textLayerRenderTask.promise.then(function () {
              _this.textLayerDiv.appendChild(textLayerFrag)

              _this._finishRendering()

              _this._updateMatches()
            }, function (reason) {})

            if (!this._onUpdateTextLayerMatches) {
              this._onUpdateTextLayerMatches = function (evt) {
                if (evt.pageIndex === _this.pageIdx || evt.pageIndex === -1) {
                  _this._updateMatches()
                }
              }

              this.eventBus._on('updatetextlayermatches', this._onUpdateTextLayerMatches)
            }
          }
        }, {
          key: 'cancel',
          value: function cancel () {
            if (this.textLayerRenderTask) {
              this.textLayerRenderTask.cancel()
              this.textLayerRenderTask = null
            }

            if (this._onUpdateTextLayerMatches) {
              this.eventBus._off('updatetextlayermatches', this._onUpdateTextLayerMatches)

              this._onUpdateTextLayerMatches = null
            }
          }
        }, {
          key: 'setTextContentStream',
          value: function setTextContentStream (readableStream) {
            this.cancel()
            this.textContentStream = readableStream
          }
        }, {
          key: 'setTextContent',
          value: function setTextContent (textContent) {
            this.cancel()
            this.textContent = textContent
          }
        }, {
          key: '_convertMatches',
          value: function _convertMatches (matches, matchesLength) {
            if (!matches) {
              return []
            }

            var findController = this.findController
            var textContentItemsStr = this.textContentItemsStr
            var i = 0
            var iIndex = 0
            var end = textContentItemsStr.length - 1
            var queryLen = findController.state.query.length
            var result = []

            for (var m = 0, mm = matches.length; m < mm; m++) {
              var matchIdx = matches[m]

              while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
                iIndex += textContentItemsStr[i].length
                i++
              }

              if (i === textContentItemsStr.length) {
                console.error('Could not find a matching mapping')
              }

              var match = {
                begin: {
                  divIdx: i,
                  offset: matchIdx - iIndex
                }
              }

              if (matchesLength) {
                matchIdx += matchesLength[m]
              } else {
                matchIdx += queryLen
              }

              while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
                iIndex += textContentItemsStr[i].length
                i++
              }

              match.end = {
                divIdx: i,
                offset: matchIdx - iIndex
              }
              result.push(match)
            }

            return result
          }
        }, {
          key: '_renderMatches',
          value: function _renderMatches (matches) {
            if (matches.length === 0) {
              return
            }

            var findController = this.findController
            var pageIdx = this.pageIdx
            var textContentItemsStr = this.textContentItemsStr
            var textDivs = this.textDivs
            var isSelectedPage = pageIdx === findController.selected.pageIdx
            var selectedMatchIdx = findController.selected.matchIdx
            var highlightAll = findController.state.highlightAll
            var prevEnd = null
            var infinity = {
              divIdx: -1,
              offset: undefined
            }

            function beginText (begin, className) {
              var divIdx = begin.divIdx
              textDivs[divIdx].textContent = ''
              appendTextToDiv(divIdx, 0, begin.offset, className)
            }

            function appendTextToDiv (divIdx, fromOffset, toOffset, className) {
              var div = textDivs[divIdx]
              var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset)
              var node = document.createTextNode(content)

              if (className) {
                var span = document.createElement('span')
                span.className = className
                span.appendChild(node)
                div.appendChild(span)
                return
              }

              div.appendChild(node)
            }

            var i0 = selectedMatchIdx
            var i1 = i0 + 1

            if (highlightAll) {
              i0 = 0
              i1 = matches.length
            } else if (!isSelectedPage) {
              return
            }

            for (var i = i0; i < i1; i++) {
              var match = matches[i]
              var begin = match.begin
              var end = match.end
              var isSelected = isSelectedPage && i === selectedMatchIdx
              var highlightSuffix = isSelected ? ' selected' : ''

              if (isSelected) {
                findController.scrollMatchIntoView({
                  element: textDivs[begin.divIdx],
                  pageIndex: pageIdx,
                  matchIndex: selectedMatchIdx
                })
              }

              if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
                if (prevEnd !== null) {
                  appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset)
                }

                beginText(begin)
              } else {
                appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset)
              }

              if (begin.divIdx === end.divIdx) {
                appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix)
              } else {
                appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix)

                for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
                  textDivs[n0].className = 'highlight middle' + highlightSuffix
                }

                beginText(end, 'highlight end' + highlightSuffix)
              }

              prevEnd = end
            }

            if (prevEnd) {
              appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset)
            }
          }
        }, {
          key: '_updateMatches',
          value: function _updateMatches () {
            if (!this.renderingDone) {
              return
            }

            var findController = this.findController
            var matches = this.matches
            var pageIdx = this.pageIdx
            var textContentItemsStr = this.textContentItemsStr
            var textDivs = this.textDivs
            var clearedUntilDivIdx = -1

            for (var i = 0, ii = matches.length; i < ii; i++) {
              var match = matches[i]
              var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx)

              for (var n = begin, end = match.end.divIdx; n <= end; n++) {
                var div = textDivs[n]
                div.textContent = textContentItemsStr[n]
                div.className = ''
              }

              clearedUntilDivIdx = match.end.divIdx + 1
            }

            if (!findController || !findController.highlightMatches) {
              return
            }

            var pageMatches = findController.pageMatches[pageIdx] || null
            var pageMatchesLength = findController.pageMatchesLength[pageIdx] || null
            this.matches = this._convertMatches(pageMatches, pageMatchesLength)

            this._renderMatches(this.matches)
          }
        }, {
          key: '_bindMouse',
          value: function _bindMouse () {
            var _this2 = this

            var div = this.textLayerDiv
            var expandDivsTimer = null
            div.addEventListener('mousedown', function (evt) {
              if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
                _this2.textLayerRenderTask.expandTextDivs(true)

                if (expandDivsTimer) {
                  clearTimeout(expandDivsTimer)
                  expandDivsTimer = null
                }

                return
              }

              var end = div.querySelector('.endOfContent')

              if (!end) {
                return
              }

              var adjustTop = evt.target !== div
              adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none'

              if (adjustTop) {
                var divBounds = div.getBoundingClientRect()
                var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height)
                end.style.top = (r * 100).toFixed(2) + '%'
              }

              end.classList.add('active')
            })
            div.addEventListener('mouseup', function () {
              if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
                expandDivsTimer = setTimeout(function () {
                  if (_this2.textLayerRenderTask) {
                    _this2.textLayerRenderTask.expandTextDivs(false)
                  }

                  expandDivsTimer = null
                }, EXPAND_DIVS_TIMEOUT)
                return
              }

              var end = div.querySelector('.endOfContent')

              if (!end) {
                return
              }

              end.style.top = ''
              end.classList.remove('active')
            })
          }
        }])

        return TextLayerBuilder
      }())

      exports.TextLayerBuilder = TextLayerBuilder

      var DefaultTextLayerFactory = /* #__PURE__ */(function () {
        function DefaultTextLayerFactory () {
          _classCallCheck(this, DefaultTextLayerFactory)
        }

        _createClass(DefaultTextLayerFactory, [{
          key: 'createTextLayerBuilder',
          value: function createTextLayerBuilder (textLayerDiv, pageIndex, viewport) {
            var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false
            var eventBus = arguments.length > 4 ? arguments[4] : undefined
            return new TextLayerBuilder({
              textLayerDiv: textLayerDiv,
              pageIndex: pageIndex,
              viewport: viewport,
              enhanceTextSelection: enhanceTextSelection,
              eventBus: eventBus
            })
          }
        }])

        return DefaultTextLayerFactory
      }())

      exports.DefaultTextLayerFactory = DefaultTextLayerFactory
      /***/ },
    /* 33 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.SecondaryToolbar = void 0

      var _ui_utils = __webpack_require__(6)

      var _pdf_cursor_tools = __webpack_require__(8)

      var _pdf_single_page_viewer = __webpack_require__(34)

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var SecondaryToolbar = /* #__PURE__ */(function () {
        function SecondaryToolbar (options, mainContainer, eventBus) {
          var _this = this

          _classCallCheck(this, SecondaryToolbar)

          this.toolbar = options.toolbar
          this.toggleButton = options.toggleButton
          this.toolbarButtonContainer = options.toolbarButtonContainer
          this.buttons = [{
            element: options.presentationModeButton,
            eventName: 'presentationmode',
            close: true
          }, {
            element: options.openFileButton,
            eventName: 'openfile',
            close: true
          }, {
            element: options.printButton,
            eventName: 'print',
            close: true
          }, {
            element: options.downloadButton,
            eventName: 'download',
            close: true
          }, {
            element: options.viewBookmarkButton,
            eventName: null,
            close: true
          }, {
            element: options.firstPageButton,
            eventName: 'firstpage',
            close: true
          }, {
            element: options.lastPageButton,
            eventName: 'lastpage',
            close: true
          }, {
            element: options.pageRotateCwButton,
            eventName: 'rotatecw',
            close: false
          }, {
            element: options.pageRotateCcwButton,
            eventName: 'rotateccw',
            close: false
          }, {
            element: options.cursorSelectToolButton,
            eventName: 'switchcursortool',
            eventDetails: {
              tool: _pdf_cursor_tools.CursorTool.SELECT
            },
            close: true
          }, {
            element: options.cursorHandToolButton,
            eventName: 'switchcursortool',
            eventDetails: {
              tool: _pdf_cursor_tools.CursorTool.HAND
            },
            close: true
          }, {
            element: options.scrollVerticalButton,
            eventName: 'switchscrollmode',
            eventDetails: {
              mode: _ui_utils.ScrollMode.VERTICAL
            },
            close: true
          }, {
            element: options.scrollHorizontalButton,
            eventName: 'switchscrollmode',
            eventDetails: {
              mode: _ui_utils.ScrollMode.HORIZONTAL
            },
            close: true
          }, {
            element: options.scrollWrappedButton,
            eventName: 'switchscrollmode',
            eventDetails: {
              mode: _ui_utils.ScrollMode.WRAPPED
            },
            close: true
          }, {
            element: options.spreadNoneButton,
            eventName: 'switchspreadmode',
            eventDetails: {
              mode: _ui_utils.SpreadMode.NONE
            },
            close: true
          }, {
            element: options.spreadOddButton,
            eventName: 'switchspreadmode',
            eventDetails: {
              mode: _ui_utils.SpreadMode.ODD
            },
            close: true
          }, {
            element: options.spreadEvenButton,
            eventName: 'switchspreadmode',
            eventDetails: {
              mode: _ui_utils.SpreadMode.EVEN
            },
            close: true
          }, {
            element: options.documentPropertiesButton,
            eventName: 'documentproperties',
            close: true
          }]
          this.items = {
            firstPage: options.firstPageButton,
            lastPage: options.lastPageButton,
            pageRotateCw: options.pageRotateCwButton,
            pageRotateCcw: options.pageRotateCcwButton
          }
          this.mainContainer = mainContainer
          this.eventBus = eventBus
          this.opened = false
          this.containerHeight = null
          this.previousContainerHeight = null
          this.reset()

          this._bindClickListeners()

          this._bindCursorToolsListener(options)

          this._bindScrollModeListener(options)

          this._bindSpreadModeListener(options)

          this.eventBus._on('resize', this._setMaxHeight.bind(this))

          this.eventBus._on('baseviewerinit', function (evt) {
            if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
              _this.toolbarButtonContainer.classList.add('hiddenScrollModeButtons', 'hiddenSpreadModeButtons')
            } else {
              _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons', 'hiddenSpreadModeButtons')
            }
          })
        }

        _createClass(SecondaryToolbar, [{
          key: 'setPageNumber',
          value: function setPageNumber (pageNumber) {
            this.pageNumber = pageNumber

            this._updateUIState()
          }
        }, {
          key: 'setPagesCount',
          value: function setPagesCount (pagesCount) {
            this.pagesCount = pagesCount

            this._updateUIState()
          }
        }, {
          key: 'reset',
          value: function reset () {
            this.pageNumber = 0
            this.pagesCount = 0

            this._updateUIState()

            this.eventBus.dispatch('secondarytoolbarreset', {
              source: this
            })
          }
        }, {
          key: '_updateUIState',
          value: function _updateUIState () {
            this.items.firstPage.disabled = this.pageNumber <= 1
            this.items.lastPage.disabled = this.pageNumber >= this.pagesCount
            this.items.pageRotateCw.disabled = this.pagesCount === 0
            this.items.pageRotateCcw.disabled = this.pagesCount === 0
          }
        }, {
          key: '_bindClickListeners',
          value: function _bindClickListeners () {
            var _this2 = this

            this.toggleButton.addEventListener('click', this.toggle.bind(this))

            var _iterator = _createForOfIteratorHelper(this.buttons)
            var _step

            try {
              var _loop = function _loop () {
                var _step$value = _step.value
                var element = _step$value.element
                var eventName = _step$value.eventName
                var close = _step$value.close
                var eventDetails = _step$value.eventDetails
                element.addEventListener('click', function (evt) {
                  if (eventName !== null) {
                    var details = {
                      source: _this2
                    }

                    for (var property in eventDetails) {
                      details[property] = eventDetails[property]
                    }

                    _this2.eventBus.dispatch(eventName, details)
                  }

                  if (close) {
                    _this2.close()
                  }
                })
              }

              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                _loop()
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }
          }
        }, {
          key: '_bindCursorToolsListener',
          value: function _bindCursorToolsListener (buttons) {
            this.eventBus._on('cursortoolchanged', function (_ref) {
              var tool = _ref.tool
              buttons.cursorSelectToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.SELECT)
              buttons.cursorHandToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.HAND)
            })
          }
        }, {
          key: '_bindScrollModeListener',
          value: function _bindScrollModeListener (buttons) {
            var _this3 = this

            function scrollModeChanged (_ref2) {
              var mode = _ref2.mode
              buttons.scrollVerticalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.VERTICAL)
              buttons.scrollHorizontalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.HORIZONTAL)
              buttons.scrollWrappedButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.WRAPPED)
              var isScrollModeHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL
              buttons.spreadNoneButton.disabled = isScrollModeHorizontal
              buttons.spreadOddButton.disabled = isScrollModeHorizontal
              buttons.spreadEvenButton.disabled = isScrollModeHorizontal
            }

            this.eventBus._on('scrollmodechanged', scrollModeChanged)

            this.eventBus._on('secondarytoolbarreset', function (evt) {
              if (evt.source === _this3) {
                scrollModeChanged({
                  mode: _ui_utils.ScrollMode.VERTICAL
                })
              }
            })
          }
        }, {
          key: '_bindSpreadModeListener',
          value: function _bindSpreadModeListener (buttons) {
            var _this4 = this

            function spreadModeChanged (_ref3) {
              var mode = _ref3.mode
              buttons.spreadNoneButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.NONE)
              buttons.spreadOddButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.ODD)
              buttons.spreadEvenButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.EVEN)
            }

            this.eventBus._on('spreadmodechanged', spreadModeChanged)

            this.eventBus._on('secondarytoolbarreset', function (evt) {
              if (evt.source === _this4) {
                spreadModeChanged({
                  mode: _ui_utils.SpreadMode.NONE
                })
              }
            })
          }
        }, {
          key: 'open',
          value: function open () {
            if (this.opened) {
              return
            }

            this.opened = true

            this._setMaxHeight()

            this.toggleButton.classList.add('toggled')
            this.toolbar.classList.remove('hidden')
          }
        }, {
          key: 'close',
          value: function close () {
            if (!this.opened) {
              return
            }

            this.opened = false
            this.toolbar.classList.add('hidden')
            this.toggleButton.classList.remove('toggled')
          }
        }, {
          key: 'toggle',
          value: function toggle () {
            if (this.opened) {
              this.close()
            } else {
              this.open()
            }
          }
        }, {
          key: '_setMaxHeight',
          value: function _setMaxHeight () {
            if (!this.opened) {
              return
            }

            this.containerHeight = this.mainContainer.clientHeight

            if (this.containerHeight === this.previousContainerHeight) {
              return
            }

            this.toolbarButtonContainer.style.maxHeight = ''.concat(this.containerHeight - _ui_utils.SCROLLBAR_PADDING, 'px')
            this.previousContainerHeight = this.containerHeight
          }
        }, {
          key: 'isOpen',
          get: function get () {
            return this.opened
          }
        }])

        return SecondaryToolbar
      }())

      exports.SecondaryToolbar = SecondaryToolbar
      /***/ },
    /* 34 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFSinglePageViewer = void 0

      var _base_viewer = __webpack_require__(29)

      var _pdfjsLib = __webpack_require__(7)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _get (target, property, receiver) { if (typeof Reflect !== 'undefined' && Reflect.get) { _get = Reflect.get } else { _get = function _get (target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver) } return desc.value } } return _get(target, property, receiver || target) }

      function _superPropBase (object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break } return object }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      var PDFSinglePageViewer = /* #__PURE__ */(function (_BaseViewer) {
        _inherits(PDFSinglePageViewer, _BaseViewer)

        var _super = _createSuper(PDFSinglePageViewer)

        function PDFSinglePageViewer (options) {
          var _this

          _classCallCheck(this, PDFSinglePageViewer)

          _this = _super.call(this, options)

          _this.eventBus._on('pagesinit', function (evt) {
            _this._ensurePageViewVisible()
          })

          return _this
        }

        _createClass(PDFSinglePageViewer, [{
          key: '_resetView',
          value: function _resetView () {
            _get(_getPrototypeOf(PDFSinglePageViewer.prototype), '_resetView', this).call(this)

            this._previousPageNumber = 1
            this._shadowViewer = document.createDocumentFragment()
            this._updateScrollDown = null
          }
        }, {
          key: '_ensurePageViewVisible',
          value: function _ensurePageViewVisible () {
            var pageView = this._pages[this._currentPageNumber - 1]
            var previousPageView = this._pages[this._previousPageNumber - 1]
            var viewerNodes = this.viewer.childNodes

            switch (viewerNodes.length) {
              case 0:
                this.viewer.appendChild(pageView.div)
                break

              case 1:
                if (viewerNodes[0] !== previousPageView.div) {
                  throw new Error('_ensurePageViewVisible: Unexpected previously visible page.')
                }

                if (pageView === previousPageView) {
                  break
                }

                this._shadowViewer.appendChild(previousPageView.div)

                this.viewer.appendChild(pageView.div)
                this.container.scrollTop = 0
                break

              default:
                throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.')
            }

            this._previousPageNumber = this._currentPageNumber
          }
        }, {
          key: '_scrollUpdate',
          value: function _scrollUpdate () {
            if (this._updateScrollDown) {
              this._updateScrollDown()
            }

            _get(_getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollUpdate', this).call(this)
          }
        }, {
          key: '_scrollIntoView',
          value: function _scrollIntoView (_ref) {
            var _this2 = this

            var pageDiv = _ref.pageDiv
            var _ref$pageSpot = _ref.pageSpot
            var pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot
            var _ref$pageNumber = _ref.pageNumber
            var pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber

            if (pageNumber) {
              this._setCurrentPageNumber(pageNumber)
            }

            var scrolledDown = this._currentPageNumber >= this._previousPageNumber

            this._ensurePageViewVisible()

            this.update()

            _get(_getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollIntoView', this).call(this, {
              pageDiv: pageDiv,
              pageSpot: pageSpot,
              pageNumber: pageNumber
            })

            this._updateScrollDown = function () {
              _this2.scroll.down = scrolledDown
              _this2._updateScrollDown = null
            }
          }
        }, {
          key: '_getVisiblePages',
          value: function _getVisiblePages () {
            return this._getCurrentVisiblePage()
          }
        }, {
          key: '_updateHelper',
          value: function _updateHelper (visiblePages) {}
        }, {
          key: '_updateScrollMode',
          value: function _updateScrollMode () {}
        }, {
          key: '_updateSpreadMode',
          value: function _updateSpreadMode () {}
        }, {
          key: '_viewerElement',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, '_viewerElement', this._shadowViewer)
          }
        }, {
          key: '_isScrollModeHorizontal',
          get: function get () {
            return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false)
          }
        }])

        return PDFSinglePageViewer
      }(_base_viewer.BaseViewer))

      exports.PDFSinglePageViewer = PDFSinglePageViewer
      /***/ },
    /* 35 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.Toolbar = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _ui_utils = __webpack_require__(6)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _createForOfIteratorHelper (o, allowArrayLike) { var it; if (typeof Symbol === 'undefined' || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === 'number') { if (it) o = it; var i = 0; var F = function F () {}; return { s: F, n: function n () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] } }, e: function e (_e) { throw _e }, f: F } } throw new TypeError('Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.') } var normalCompletion = true; var didErr = false; var err; return { s: function s () { it = o[Symbol.iterator]() }, n: function n () { var step = it.next(); normalCompletion = step.done; return step }, e: function e (_e2) { didErr = true; err = _e2 }, f: function f () { try { if (!normalCompletion && it.return != null) it.return() } finally { if (didErr) throw err } } } }

      function _unsupportedIterableToArray (o, minLen) { if (!o) return; if (typeof o === 'string') return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === 'Object' && o.constructor) n = o.constructor.name; if (n === 'Map' || n === 'Set') return Array.from(o); if (n === 'Arguments' || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen) }

      function _arrayLikeToArray (arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i] } return arr2 }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading'
      var SCALE_SELECT_CONTAINER_WIDTH = 140
      var SCALE_SELECT_WIDTH = 162

      var Toolbar = /* #__PURE__ */(function () {
        function Toolbar (options, eventBus) {
          var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n

          _classCallCheck(this, Toolbar)

          this.toolbar = options.container
          this.eventBus = eventBus
          this.l10n = l10n
          this.buttons = [{
            element: options.previous,
            eventName: 'previouspage'
          }, {
            element: options.next,
            eventName: 'nextpage'
          }, {
            element: options.zoomIn,
            eventName: 'zoomin'
          }, {
            element: options.zoomOut,
            eventName: 'zoomout'
          }, {
            element: options.openFile,
            eventName: 'openfile'
          }, {
            element: options.print,
            eventName: 'print'
          }, {
            element: options.presentationModeButton,
            eventName: 'presentationmode'
          }, {
            element: options.download,
            eventName: 'download'
          }, {
            element: options.viewBookmark,
            eventName: null
          }]
          this.items = {
            numPages: options.numPages,
            pageNumber: options.pageNumber,
            scaleSelectContainer: options.scaleSelectContainer,
            scaleSelect: options.scaleSelect,
            customScaleOption: options.customScaleOption,
            previous: options.previous,
            next: options.next,
            zoomIn: options.zoomIn,
            zoomOut: options.zoomOut
          }
          this._wasLocalized = false
          this.reset()

          this._bindListeners()
        }

        _createClass(Toolbar, [{
          key: 'setPageNumber',
          value: function setPageNumber (pageNumber, pageLabel) {
            this.pageNumber = pageNumber
            this.pageLabel = pageLabel

            this._updateUIState(false)
          }
        }, {
          key: 'setPagesCount',
          value: function setPagesCount (pagesCount, hasPageLabels) {
            this.pagesCount = pagesCount
            this.hasPageLabels = hasPageLabels

            this._updateUIState(true)
          }
        }, {
          key: 'setPageScale',
          value: function setPageScale (pageScaleValue, pageScale) {
            this.pageScaleValue = (pageScaleValue || pageScale).toString()
            this.pageScale = pageScale

            this._updateUIState(false)
          }
        }, {
          key: 'reset',
          value: function reset () {
            this.pageNumber = 0
            this.pageLabel = null
            this.hasPageLabels = false
            this.pagesCount = 0
            this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE
            this.pageScale = _ui_utils.DEFAULT_SCALE

            this._updateUIState(true)

            this.updateLoadingIndicatorState()
          }
        }, {
          key: '_bindListeners',
          value: function _bindListeners () {
            var _this = this

            var _this$items = this.items
            var pageNumber = _this$items.pageNumber
            var scaleSelect = _this$items.scaleSelect
            var self = this

            var _iterator = _createForOfIteratorHelper(this.buttons)
            var _step

            try {
              var _loop = function _loop () {
                var _step$value = _step.value
                var element = _step$value.element
                var eventName = _step$value.eventName
                element.addEventListener('click', function (evt) {
                  if (eventName !== null) {
                    _this.eventBus.dispatch(eventName, {
                      source: _this
                    })
                  }
                })
              }

              for (_iterator.s(); !(_step = _iterator.n()).done;) {
                _loop()
              }
            } catch (err) {
              _iterator.e(err)
            } finally {
              _iterator.f()
            }

            pageNumber.addEventListener('click', function () {
              this.select()
            })
            pageNumber.addEventListener('change', function () {
              self.eventBus.dispatch('pagenumberchanged', {
                source: self,
                value: this.value
              })
            })
            scaleSelect.addEventListener('change', function () {
              if (this.value === 'custom') {
                return
              }

              self.eventBus.dispatch('scalechanged', {
                source: self,
                value: this.value
              })
            })
            scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler

            this.eventBus._on('localized', function () {
              _this._wasLocalized = true

              _this._adjustScaleWidth()

              _this._updateUIState(true)
            })
          }
        }, {
          key: '_updateUIState',
          value: function _updateUIState () {
            var resetNumPages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false

            if (!this._wasLocalized) {
              return
            }

            var pageNumber = this.pageNumber
            var pagesCount = this.pagesCount
            var pageScaleValue = this.pageScaleValue
            var pageScale = this.pageScale
            var items = this.items

            if (resetNumPages) {
              if (this.hasPageLabels) {
                items.pageNumber.type = 'text'
              } else {
                items.pageNumber.type = 'number'
                this.l10n.get('of_pages', {
                  pagesCount: pagesCount
                }, 'of {{pagesCount}}').then(function (msg) {
                  items.numPages.textContent = msg
                })
              }

              items.pageNumber.max = pagesCount
            }

            if (this.hasPageLabels) {
              items.pageNumber.value = this.pageLabel
              this.l10n.get('page_of_pages', {
                pageNumber: pageNumber,
                pagesCount: pagesCount
              }, '({{pageNumber}} of {{pagesCount}})').then(function (msg) {
                items.numPages.textContent = msg
              })
            } else {
              items.pageNumber.value = pageNumber
            }

            items.previous.disabled = pageNumber <= 1
            items.next.disabled = pageNumber >= pagesCount
            items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE
            items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE
            var customScale = Math.round(pageScale * 10000) / 100
            this.l10n.get('page_scale_percent', {
              scale: customScale
            }, '{{scale}}%').then(function (msg) {
              var predefinedValueFound = false

              var _iterator2 = _createForOfIteratorHelper(items.scaleSelect.options)
              var _step2

              try {
                for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
                  var option = _step2.value

                  if (option.value !== pageScaleValue) {
                    option.selected = false
                    continue
                  }

                  option.selected = true
                  predefinedValueFound = true
                }
              } catch (err) {
                _iterator2.e(err)
              } finally {
                _iterator2.f()
              }

              if (!predefinedValueFound) {
                items.customScaleOption.textContent = msg
                items.customScaleOption.selected = true
              }
            })
          }
        }, {
          key: 'updateLoadingIndicatorState',
          value: function updateLoadingIndicatorState () {
            var loading = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false
            var pageNumberInput = this.items.pageNumber
            pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading)
          }
        }, {
          key: '_adjustScaleWidth',
          value: (function () {
            var _adjustScaleWidth2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
              var items, l10n, predefinedValuesPromise, canvas, ctx, _getComputedStyle, fontSize, fontFamily, maxWidth, _iterator3, _step3, predefinedValue, _ctx$measureText, width, overflow

              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      items = this.items, l10n = this.l10n
                      predefinedValuesPromise = Promise.all([l10n.get('page_scale_auto', null, 'Automatic Zoom'), l10n.get('page_scale_actual', null, 'Actual Size'), l10n.get('page_scale_fit', null, 'Page Fit'), l10n.get('page_scale_width', null, 'Page Width')])
                      canvas = document.createElement('canvas')
                      canvas.mozOpaque = true
                      ctx = canvas.getContext('2d', {
                        alpha: false
                      })
                      _context.next = 7
                      return _ui_utils.animationStarted

                    case 7:
                      _getComputedStyle = getComputedStyle(items.scaleSelect), fontSize = _getComputedStyle.fontSize, fontFamily = _getComputedStyle.fontFamily
                      ctx.font = ''.concat(fontSize, ' ').concat(fontFamily)
                      maxWidth = 0
                      _context.t0 = _createForOfIteratorHelper
                      _context.next = 13
                      return predefinedValuesPromise

                    case 13:
                      _context.t1 = _context.sent
                      _iterator3 = (0, _context.t0)(_context.t1)

                      try {
                        for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
                          predefinedValue = _step3.value
                          _ctx$measureText = ctx.measureText(predefinedValue), width = _ctx$measureText.width

                          if (width > maxWidth) {
                            maxWidth = width
                          }
                        }
                      } catch (err) {
                        _iterator3.e(err)
                      } finally {
                        _iterator3.f()
                      }

                      overflow = SCALE_SELECT_WIDTH - SCALE_SELECT_CONTAINER_WIDTH
                      maxWidth += 2 * overflow

                      if (maxWidth > SCALE_SELECT_CONTAINER_WIDTH) {
                        items.scaleSelect.style.width = ''.concat(maxWidth + overflow, 'px')
                        items.scaleSelectContainer.style.width = ''.concat(maxWidth, 'px')
                      }

                      canvas.width = 0
                      canvas.height = 0
                      canvas = ctx = null

                    case 22:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function _adjustScaleWidth () {
              return _adjustScaleWidth2.apply(this, arguments)
            }

            return _adjustScaleWidth
          }())
        }])

        return Toolbar
      }())

      exports.Toolbar = Toolbar
      /***/ },
    /* 36 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.ViewHistory = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20

      var ViewHistory = /* #__PURE__ */(function () {
        function ViewHistory (fingerprint) {
          var _this = this

          var cacheSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_VIEW_HISTORY_CACHE_SIZE

          _classCallCheck(this, ViewHistory)

          this.fingerprint = fingerprint
          this.cacheSize = cacheSize
          this._initializedPromise = this._readFromStorage().then(function (databaseStr) {
            var database = JSON.parse(databaseStr || '{}')
            var index = -1

            if (!Array.isArray(database.files)) {
              database.files = []
            } else {
              while (database.files.length >= _this.cacheSize) {
                database.files.shift()
              }

              for (var i = 0, ii = database.files.length; i < ii; i++) {
                var branch = database.files[i]

                if (branch.fingerprint === _this.fingerprint) {
                  index = i
                  break
                }
              }
            }

            if (index === -1) {
              index = database.files.push({
                fingerprint: _this.fingerprint
              }) - 1
            }

            _this.file = database.files[index]
            _this.database = database
          })
        }

        _createClass(ViewHistory, [{
          key: '_writeToStorage',
          value: (function () {
            var _writeToStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
              var databaseStr
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      databaseStr = JSON.stringify(this.database)
                      localStorage.setItem('pdfjs.history', databaseStr)

                    case 2:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function _writeToStorage () {
              return _writeToStorage2.apply(this, arguments)
            }

            return _writeToStorage
          }())
        }, {
          key: '_readFromStorage',
          value: (function () {
            var _readFromStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      return _context2.abrupt('return', localStorage.getItem('pdfjs.history'))

                    case 1:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2)
            }))

            function _readFromStorage () {
              return _readFromStorage2.apply(this, arguments)
            }

            return _readFromStorage
          }())
        }, {
          key: 'set',
          value: (function () {
            var _set = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 (name, val) {
              return _regenerator.default.wrap(function _callee3$ (_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      _context3.next = 2
                      return this._initializedPromise

                    case 2:
                      this.file[name] = val
                      return _context3.abrupt('return', this._writeToStorage())

                    case 4:
                    case 'end':
                      return _context3.stop()
                  }
                }
              }, _callee3, this)
            }))

            function set (_x, _x2) {
              return _set.apply(this, arguments)
            }

            return set
          }())
        }, {
          key: 'setMultiple',
          value: (function () {
            var _setMultiple = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 (properties) {
              var name
              return _regenerator.default.wrap(function _callee4$ (_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      _context4.next = 2
                      return this._initializedPromise

                    case 2:
                      for (name in properties) {
                        this.file[name] = properties[name]
                      }

                      return _context4.abrupt('return', this._writeToStorage())

                    case 4:
                    case 'end':
                      return _context4.stop()
                  }
                }
              }, _callee4, this)
            }))

            function setMultiple (_x3) {
              return _setMultiple.apply(this, arguments)
            }

            return setMultiple
          }())
        }, {
          key: 'get',
          value: (function () {
            var _get = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee5 (name, defaultValue) {
              var val
              return _regenerator.default.wrap(function _callee5$ (_context5) {
                while (1) {
                  switch (_context5.prev = _context5.next) {
                    case 0:
                      _context5.next = 2
                      return this._initializedPromise

                    case 2:
                      val = this.file[name]
                      return _context5.abrupt('return', val !== undefined ? val : defaultValue)

                    case 4:
                    case 'end':
                      return _context5.stop()
                  }
                }
              }, _callee5, this)
            }))

            function get (_x4, _x5) {
              return _get.apply(this, arguments)
            }

            return get
          }())
        }, {
          key: 'getMultiple',
          value: (function () {
            var _getMultiple = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee6 (properties) {
              var values, name, val
              return _regenerator.default.wrap(function _callee6$ (_context6) {
                while (1) {
                  switch (_context6.prev = _context6.next) {
                    case 0:
                      _context6.next = 2
                      return this._initializedPromise

                    case 2:
                      values = Object.create(null)

                      for (name in properties) {
                        val = this.file[name]
                        values[name] = val !== undefined ? val : properties[name]
                      }

                      return _context6.abrupt('return', values)

                    case 5:
                    case 'end':
                      return _context6.stop()
                  }
                }
              }, _callee6, this)
            }))

            function getMultiple (_x6) {
              return _getMultiple.apply(this, arguments)
            }

            return getMultiple
          }())
        }])

        return ViewHistory
      }())

      exports.ViewHistory = ViewHistory
      /***/ },
    /* 37 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.GenericCom = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _app = __webpack_require__(3)

      var _pdfjsLib = __webpack_require__(7)

      var _app_options = __webpack_require__(1)

      var _preferences = __webpack_require__(38)

      var _download_manager = __webpack_require__(39)

      var _genericl10n = __webpack_require__(40)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      function _inherits (subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function') } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass) }

      function _setPrototypeOf (o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf (o, p) { o.__proto__ = p; return o }; return _setPrototypeOf(o, p) }

      function _createSuper (Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal () { var Super = _getPrototypeOf(Derived); var result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget) } else { result = Super.apply(this, arguments) } return _possibleConstructorReturn(this, result) } }

      function _possibleConstructorReturn (self, call) { if (call && (_typeof(call) === 'object' || typeof call === 'function')) { return call } return _assertThisInitialized(self) }

      function _assertThisInitialized (self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called") } return self }

      function _isNativeReflectConstruct () { if (typeof Reflect === 'undefined' || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === 'function') return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true } catch (e) { return false } }

      function _getPrototypeOf (o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf (o) { return o.__proto__ || Object.getPrototypeOf(o) }; return _getPrototypeOf(o) }

      ;
      var GenericCom = {}
      exports.GenericCom = GenericCom

      var GenericPreferences = /* #__PURE__ */(function (_BasePreferences) {
        _inherits(GenericPreferences, _BasePreferences)

        var _super = _createSuper(GenericPreferences)

        function GenericPreferences () {
          _classCallCheck(this, GenericPreferences)

          return _super.apply(this, arguments)
        }

        _createClass(GenericPreferences, [{
          key: '_writeToStorage',
          value: (function () {
            var _writeToStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee (prefObj) {
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj))

                    case 1:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee)
            }))

            function _writeToStorage (_x) {
              return _writeToStorage2.apply(this, arguments)
            }

            return _writeToStorage
          }())
        }, {
          key: '_readFromStorage',
          value: (function () {
            var _readFromStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 (prefObj) {
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      return _context2.abrupt('return', JSON.parse(localStorage.getItem('pdfjs.preferences')))

                    case 1:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2)
            }))

            function _readFromStorage (_x2) {
              return _readFromStorage2.apply(this, arguments)
            }

            return _readFromStorage
          }())
        }])

        return GenericPreferences
      }(_preferences.BasePreferences))

      var GenericExternalServices = /* #__PURE__ */(function (_DefaultExternalServi) {
        _inherits(GenericExternalServices, _DefaultExternalServi)

        var _super2 = _createSuper(GenericExternalServices)

        function GenericExternalServices () {
          _classCallCheck(this, GenericExternalServices)

          return _super2.apply(this, arguments)
        }

        _createClass(GenericExternalServices, null, [{
          key: 'createDownloadManager',
          value: function createDownloadManager (options) {
            return new _download_manager.DownloadManager()
          }
        }, {
          key: 'createPreferences',
          value: function createPreferences () {
            return new GenericPreferences()
          }
        }, {
          key: 'createL10n',
          value: function createL10n (_ref) {
            var _ref$locale = _ref.locale
            var locale = _ref$locale === void 0 ? 'en-US' : _ref$locale
            return new _genericl10n.GenericL10n(locale)
          }
        }, {
          key: 'scripting',
          get: function get () {
            var promise = (0, _pdfjsLib.loadScript)(_app_options.AppOptions.get('scriptingSrc')).then(function () {
              return window.pdfjsSandbox.QuickJSSandbox()
            })
            var sandbox = {
              createSandbox: function createSandbox (data) {
                promise.then(function (sbx) {
                  return sbx.create(data)
                })
              },
              dispatchEventInSandbox: function dispatchEventInSandbox (event) {
                promise.then(function (sbx) {
                  return sbx.dispatchEvent(event)
                })
              },
              destroySandbox: function destroySandbox () {
                promise.then(function (sbx) {
                  return sbx.nukeSandbox()
                })
              }
            }
            return (0, _pdfjsLib.shadow)(this, 'scripting', sandbox)
          }
        }])

        return GenericExternalServices
      }(_app.DefaultExternalServices))

      _app.PDFViewerApplication.externalServices = GenericExternalServices
      /***/ },
    /* 38 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.BasePreferences = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      var _app_options = __webpack_require__(1)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _typeof (obj) { '@babel/helpers - typeof'; if (typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol') { _typeof = function _typeof (obj) { return typeof obj } } else { _typeof = function _typeof (obj) { return obj && typeof Symbol === 'function' && obj.constructor === Symbol && obj !== Symbol.prototype ? 'symbol' : typeof obj } } return _typeof(obj) }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var BasePreferences = /* #__PURE__ */(function () {
        function BasePreferences () {
          var _this = this

          _classCallCheck(this, BasePreferences)

          if (this.constructor === BasePreferences) {
            throw new Error('Cannot initialize BasePreferences.')
          }

          Object.defineProperty(this, 'defaults', {
            value: Object.freeze({
              cursorToolOnLoad: 0,
              defaultZoomValue: '',
              disablePageLabels: false,
              enablePermissions: false,
              enablePrintAutoRotate: false,
              enableScripting: false,
              enableWebGL: false,
              externalLinkTarget: 0,
              historyUpdateUrl: false,
              ignoreDestinationZoom: false,
              pdfBugEnabled: false,
              renderer: 'canvas',
              renderInteractiveForms: true,
              sidebarViewOnLoad: -1,
              scrollModeOnLoad: -1,
              spreadModeOnLoad: -1,
              textLayerMode: 1,
              useOnlyCssZoom: false,
              viewerCssTheme: 0,
              viewOnLoad: 0,
              disableAutoFetch: false,
              disableFontFace: false,
              disableRange: false,
              disableStream: false
            }),
            writable: false,
            enumerable: true,
            configurable: false
          })
          this.prefs = Object.assign(Object.create(null), this.defaults)
          this._initializedPromise = this._readFromStorage(this.defaults).then(function (prefs) {
            if (!prefs) {
              return
            }

            for (var name in prefs) {
              var defaultValue = _this.defaults[name]
              var prefValue = prefs[name]

              if (defaultValue === undefined || _typeof(prefValue) !== _typeof(defaultValue)) {
                continue
              }

              _this.prefs[name] = prefValue
            }
          })
        }

        _createClass(BasePreferences, [{
          key: '_writeToStorage',
          value: (function () {
            var _writeToStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee (prefObj) {
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      throw new Error('Not implemented: _writeToStorage')

                    case 1:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee)
            }))

            function _writeToStorage (_x) {
              return _writeToStorage2.apply(this, arguments)
            }

            return _writeToStorage
          }())
        }, {
          key: '_readFromStorage',
          value: (function () {
            var _readFromStorage2 = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 (prefObj) {
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      throw new Error('Not implemented: _readFromStorage')

                    case 1:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2)
            }))

            function _readFromStorage (_x2) {
              return _readFromStorage2.apply(this, arguments)
            }

            return _readFromStorage
          }())
        }, {
          key: 'reset',
          value: (function () {
            var _reset = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 () {
              return _regenerator.default.wrap(function _callee3$ (_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      _context3.next = 2
                      return this._initializedPromise

                    case 2:
                      this.prefs = Object.assign(Object.create(null), this.defaults)
                      return _context3.abrupt('return', this._writeToStorage(this.defaults))

                    case 4:
                    case 'end':
                      return _context3.stop()
                  }
                }
              }, _callee3, this)
            }))

            function reset () {
              return _reset.apply(this, arguments)
            }

            return reset
          }())
        }, {
          key: 'set',
          value: (function () {
            var _set = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 (name, value) {
              var defaultValue, valueType, defaultType
              return _regenerator.default.wrap(function _callee4$ (_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      _context4.next = 2
                      return this._initializedPromise

                    case 2:
                      defaultValue = this.defaults[name]

                      if (!(defaultValue === undefined)) {
                        _context4.next = 7
                        break
                      }

                      throw new Error('Set preference: "'.concat(name, '" is undefined.'))

                    case 7:
                      if (!(value === undefined)) {
                        _context4.next = 9
                        break
                      }

                      throw new Error('Set preference: no value is specified.')

                    case 9:
                      valueType = _typeof(value)
                      defaultType = _typeof(defaultValue)

                      if (!(valueType !== defaultType)) {
                        _context4.next = 19
                        break
                      }

                      if (!(valueType === 'number' && defaultType === 'string')) {
                        _context4.next = 16
                        break
                      }

                      value = value.toString()
                      _context4.next = 17
                      break

                    case 16:
                      throw new Error('Set preference: "'.concat(value, '" is a ').concat(valueType, ', ') + 'expected a '.concat(defaultType, '.'))

                    case 17:
                      _context4.next = 21
                      break

                    case 19:
                      if (!(valueType === 'number' && !Number.isInteger(value))) {
                        _context4.next = 21
                        break
                      }

                      throw new Error('Set preference: "'.concat(value, '" must be an integer.'))

                    case 21:
                      this.prefs[name] = value
                      return _context4.abrupt('return', this._writeToStorage(this.prefs))

                    case 23:
                    case 'end':
                      return _context4.stop()
                  }
                }
              }, _callee4, this)
            }))

            function set (_x3, _x4) {
              return _set.apply(this, arguments)
            }

            return set
          }())
        }, {
          key: 'get',
          value: (function () {
            var _get = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee5 (name) {
              var defaultValue, prefValue
              return _regenerator.default.wrap(function _callee5$ (_context5) {
                while (1) {
                  switch (_context5.prev = _context5.next) {
                    case 0:
                      _context5.next = 2
                      return this._initializedPromise

                    case 2:
                      defaultValue = this.defaults[name]

                      if (!(defaultValue === undefined)) {
                        _context5.next = 7
                        break
                      }

                      throw new Error('Get preference: "'.concat(name, '" is undefined.'))

                    case 7:
                      prefValue = this.prefs[name]

                      if (!(prefValue !== undefined)) {
                        _context5.next = 10
                        break
                      }

                      return _context5.abrupt('return', prefValue)

                    case 10:
                      return _context5.abrupt('return', defaultValue)

                    case 11:
                    case 'end':
                      return _context5.stop()
                  }
                }
              }, _callee5, this)
            }))

            function get (_x5) {
              return _get.apply(this, arguments)
            }

            return get
          }())
        }, {
          key: 'getAll',
          value: (function () {
            var _getAll = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee6 () {
              return _regenerator.default.wrap(function _callee6$ (_context6) {
                while (1) {
                  switch (_context6.prev = _context6.next) {
                    case 0:
                      _context6.next = 2
                      return this._initializedPromise

                    case 2:
                      return _context6.abrupt('return', Object.assign(Object.create(null), this.defaults, this.prefs))

                    case 3:
                    case 'end':
                      return _context6.stop()
                  }
                }
              }, _callee6, this)
            }))

            function getAll () {
              return _getAll.apply(this, arguments)
            }

            return getAll
          }())
        }])

        return BasePreferences
      }())

      exports.BasePreferences = BasePreferences
      /***/ },
    /* 39 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.DownloadManager = void 0

      var _pdfjsLib = __webpack_require__(7)

      var _viewer_compatibility = __webpack_require__(2)

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      ;

      function _download (blobUrl, filename) {
        var a = document.createElement('a')

        if (!a.click) {
          throw new Error('DownloadManager: "a.click()" is not supported.')
        }

        a.href = blobUrl
        a.target = '_parent'

        if ('download' in a) {
          a.download = filename
        }

        (document.body || document.documentElement).appendChild(a)
        a.click()
        a.remove()
      }

      var DownloadManager = /* #__PURE__ */(function () {
        function DownloadManager () {
          _classCallCheck(this, DownloadManager)
        }

        _createClass(DownloadManager, [{
          key: 'downloadUrl',
          value: function downloadUrl (url, filename) {
            if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
              return
            }

            _download(url + '#pdfjs.action=download', filename)
          }
        }, {
          key: 'downloadData',
          value: function downloadData (data, filename, contentType) {
            var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL)

            _download(blobUrl, filename)
          }
        }, {
          key: 'download',
          value: function download (blob, url, filename) {
            var sourceEventType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 'download'

            if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
              this.downloadUrl(url, filename)
              return
            }

            var blobUrl = URL.createObjectURL(blob)

            _download(blobUrl, filename)
          }
        }])

        return DownloadManager
      }())

      exports.DownloadManager = DownloadManager
      /***/ },
    /* 40 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.GenericL10n = void 0

      var _regenerator = _interopRequireDefault(__webpack_require__(4))

      __webpack_require__(41)

      function _interopRequireDefault (obj) { return obj && obj.__esModule ? obj : { default: obj } }

      function asyncGeneratorStep (gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value } catch (error) { reject(error); return } if (info.done) { resolve(value) } else { Promise.resolve(value).then(_next, _throw) } }

      function _asyncToGenerator (fn) { return function () { var self = this; var args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next (value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'next', value) } function _throw (err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, 'throw', err) } _next(undefined) }) } }

      function _classCallCheck (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function') } }

      function _defineProperties (target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor) } }

      function _createClass (Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor }

      var webL10n = document.webL10n

      var GenericL10n = /* #__PURE__ */(function () {
        function GenericL10n (lang) {
          _classCallCheck(this, GenericL10n)

          this._lang = lang
          this._ready = new Promise(function (resolve, reject) {
            webL10n.setLanguage(lang, function () {
              resolve(webL10n)
            })
          })
        }

        _createClass(GenericL10n, [{
          key: 'getLanguage',
          value: (function () {
            var _getLanguage = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee () {
              var l10n
              return _regenerator.default.wrap(function _callee$ (_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      _context.next = 2
                      return this._ready

                    case 2:
                      l10n = _context.sent
                      return _context.abrupt('return', l10n.getLanguage())

                    case 4:
                    case 'end':
                      return _context.stop()
                  }
                }
              }, _callee, this)
            }))

            function getLanguage () {
              return _getLanguage.apply(this, arguments)
            }

            return getLanguage
          }())
        }, {
          key: 'getDirection',
          value: (function () {
            var _getDirection = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee2 () {
              var l10n
              return _regenerator.default.wrap(function _callee2$ (_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      _context2.next = 2
                      return this._ready

                    case 2:
                      l10n = _context2.sent
                      return _context2.abrupt('return', l10n.getDirection())

                    case 4:
                    case 'end':
                      return _context2.stop()
                  }
                }
              }, _callee2, this)
            }))

            function getDirection () {
              return _getDirection.apply(this, arguments)
            }

            return getDirection
          }())
        }, {
          key: 'get',
          value: (function () {
            var _get = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee3 (property, args, fallback) {
              var l10n
              return _regenerator.default.wrap(function _callee3$ (_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      _context3.next = 2
                      return this._ready

                    case 2:
                      l10n = _context3.sent
                      return _context3.abrupt('return', l10n.get(property, args, fallback))

                    case 4:
                    case 'end':
                      return _context3.stop()
                  }
                }
              }, _callee3, this)
            }))

            function get (_x, _x2, _x3) {
              return _get.apply(this, arguments)
            }

            return get
          }())
        }, {
          key: 'translate',
          value: (function () {
            var _translate = _asyncToGenerator(/* #__PURE__ */_regenerator.default.mark(function _callee4 (element) {
              var l10n
              return _regenerator.default.wrap(function _callee4$ (_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      _context4.next = 2
                      return this._ready

                    case 2:
                      l10n = _context4.sent
                      return _context4.abrupt('return', l10n.translate(element))

                    case 4:
                    case 'end':
                      return _context4.stop()
                  }
                }
              }, _callee4, this)
            }))

            function translate (_x4) {
              return _translate.apply(this, arguments)
            }

            return translate
          }())
        }])

        return GenericL10n
      }())

      exports.GenericL10n = GenericL10n
      /***/ },
    /* 41 */
    /***/ () => {
      document.webL10n = (function (window, document, undefined) {
        var gL10nData = {}
        var gTextData = ''
        var gTextProp = 'textContent'
        var gLanguage = ''
        var gMacros = {}
        var gReadyState = 'loading'
        var gAsyncResourceLoading = true

        function getL10nResourceLinks () {
          return document.querySelectorAll('link[type="application/l10n"]')
        }

        function getL10nDictionary () {
          var script = document.querySelector('script[type="application/l10n"]')
          return script ? JSON.parse(script.innerHTML) : null
        }

        function getTranslatableChildren (element) {
          return element ? element.querySelectorAll('*[data-l10n-id]') : []
        }

        function getL10nAttributes (element) {
          if (!element) return {}
          var l10nId = element.getAttribute('data-l10n-id')
          var l10nArgs = element.getAttribute('data-l10n-args')
          var args = {}

          if (l10nArgs) {
            try {
              args = JSON.parse(l10nArgs)
            } catch (e) {
              console.warn('could not parse arguments for #' + l10nId)
            }
          }

          return {
            id: l10nId,
            args: args
          }
        }

        function xhrLoadText (url, onSuccess, onFailure) {
          onSuccess = onSuccess || function _onSuccess (data) {}

          onFailure = onFailure || function _onFailure () {}

          var xhr = new XMLHttpRequest()
          xhr.open('GET', url, gAsyncResourceLoading)

          if (xhr.overrideMimeType) {
            xhr.overrideMimeType('text/plain; charset=utf-8')
          }

          xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
              if (xhr.status == 200 || xhr.status === 0) {
                onSuccess(xhr.responseText)
              } else {
                onFailure()
              }
            }
          }

          xhr.onerror = onFailure
          xhr.ontimeout = onFailure

          try {
            xhr.send(null)
          } catch (e) {
            onFailure()
          }
        }

        function parseResource (href, lang, successCallback, failureCallback) {
          var baseURL = href.replace(/[^\/]*$/, '') || './'

          function evalString (text) {
            if (text.lastIndexOf('\\') < 0) return text
            return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'")
          }

          function parseProperties (text, parsedPropertiesCallback) {
            var dictionary = {}
            var reBlank = /^\s*|\s*$/
            var reComment = /^\s*#|^\s*$/
            var reSection = /^\s*\[(.*)\]\s*$/
            var reImport = /^\s*@import\s+url\((.*)\)\s*$/i
            var reSplit = /^([^=\s]*)\s*=\s*(.+)$/

            function parseRawLines (rawText, extendedSyntax, parsedRawLinesCallback) {
              var entries = rawText.replace(reBlank, '').split(/[\r\n]+/)
              var currentLang = '*'
              var genericLang = lang.split('-', 1)[0]
              var skipLang = false
              var match = ''

              function nextEntry () {
                while (true) {
                  if (!entries.length) {
                    parsedRawLinesCallback()
                    return
                  }

                  var line = entries.shift()
                  if (reComment.test(line)) continue

                  if (extendedSyntax) {
                    match = reSection.exec(line)

                    if (match) {
                      currentLang = match[1].toLowerCase()
                      skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang
                      continue
                    } else if (skipLang) {
                      continue
                    }

                    match = reImport.exec(line)

                    if (match) {
                      loadImport(baseURL + match[1], nextEntry)
                      return
                    }
                  }

                  var tmp = line.match(reSplit)

                  if (tmp && tmp.length == 3) {
                    dictionary[tmp[1]] = evalString(tmp[2])
                  }
                }
              }

              nextEntry()
            }

            function loadImport (url, callback) {
              xhrLoadText(url, function (content) {
                parseRawLines(content, false, callback)
              }, function () {
                console.warn(url + ' not found.')
                callback()
              })
            }

            parseRawLines(text, true, function () {
              parsedPropertiesCallback(dictionary)
            })
          }

          xhrLoadText(href, function (response) {
            gTextData += response
            parseProperties(response, function (data) {
              for (var key in data) {
                var id
                var prop
                var index = key.lastIndexOf('.')

                if (index > 0) {
                  id = key.substring(0, index)
                  prop = key.substring(index + 1)
                } else {
                  id = key
                  prop = gTextProp
                }

                if (!gL10nData[id]) {
                  gL10nData[id] = {}
                }

                gL10nData[id][prop] = data[key]
              }

              if (successCallback) {
                successCallback()
              }
            })
          }, failureCallback)
        }

        function loadLocale (lang, callback) {
          if (lang) {
            lang = lang.toLowerCase()
          }

          callback = callback || function _callback () {}

          clear()
          gLanguage = lang
          var langLinks = getL10nResourceLinks()
          var langCount = langLinks.length

          if (langCount === 0) {
            var dict = getL10nDictionary()

            if (dict && dict.locales && dict.default_locale) {
              console.log('using the embedded JSON directory, early way out')
              gL10nData = dict.locales[lang]

              if (!gL10nData) {
                var defaultLocale = dict.default_locale.toLowerCase()

                for (var anyCaseLang in dict.locales) {
                  anyCaseLang = anyCaseLang.toLowerCase()

                  if (anyCaseLang === lang) {
                    gL10nData = dict.locales[lang]
                    break
                  } else if (anyCaseLang === defaultLocale) {
                    gL10nData = dict.locales[defaultLocale]
                  }
                }
              }

              callback()
            } else {
              console.log('no resource to load, early way out')
            }

            gReadyState = 'complete'
            return
          }

          var onResourceLoaded = null
          var gResourceCount = 0

          onResourceLoaded = function onResourceLoaded () {
            gResourceCount++

            if (gResourceCount >= langCount) {
              callback()
              gReadyState = 'complete'
            }
          }

          function L10nResourceLink (link) {
            var href = link.href

            this.load = function (lang, callback) {
              parseResource(href, lang, callback, function () {
                console.warn(href + ' not found.')
                console.warn('"' + lang + '" resource not found')
                gLanguage = ''
                callback()
              })
            }
          }

          for (var i = 0; i < langCount; i++) {
            var resource = new L10nResourceLink(langLinks[i])
            resource.load(lang, onResourceLoaded)
          }
        }

        function clear () {
          gL10nData = {}
          gTextData = ''
          gLanguage = ''
        }

        function getPluralRules (lang) {
          var locales2rules = {
            af: 3,
            ak: 4,
            am: 4,
            ar: 1,
            asa: 3,
            az: 0,
            be: 11,
            bem: 3,
            bez: 3,
            bg: 3,
            bh: 4,
            bm: 0,
            bn: 3,
            bo: 0,
            br: 20,
            brx: 3,
            bs: 11,
            ca: 3,
            cgg: 3,
            chr: 3,
            cs: 12,
            cy: 17,
            da: 3,
            de: 3,
            dv: 3,
            dz: 0,
            ee: 3,
            el: 3,
            en: 3,
            eo: 3,
            es: 3,
            et: 3,
            eu: 3,
            fa: 0,
            ff: 5,
            fi: 3,
            fil: 4,
            fo: 3,
            fr: 5,
            fur: 3,
            fy: 3,
            ga: 8,
            gd: 24,
            gl: 3,
            gsw: 3,
            gu: 3,
            guw: 4,
            gv: 23,
            ha: 3,
            haw: 3,
            he: 2,
            hi: 4,
            hr: 11,
            hu: 0,
            id: 0,
            ig: 0,
            ii: 0,
            is: 3,
            it: 3,
            iu: 7,
            ja: 0,
            jmc: 3,
            jv: 0,
            ka: 0,
            kab: 5,
            kaj: 3,
            kcg: 3,
            kde: 0,
            kea: 0,
            kk: 3,
            kl: 3,
            km: 0,
            kn: 0,
            ko: 0,
            ksb: 3,
            ksh: 21,
            ku: 3,
            kw: 7,
            lag: 18,
            lb: 3,
            lg: 3,
            ln: 4,
            lo: 0,
            lt: 10,
            lv: 6,
            mas: 3,
            mg: 4,
            mk: 16,
            ml: 3,
            mn: 3,
            mo: 9,
            mr: 3,
            ms: 0,
            mt: 15,
            my: 0,
            nah: 3,
            naq: 7,
            nb: 3,
            nd: 3,
            ne: 3,
            nl: 3,
            nn: 3,
            no: 3,
            nr: 3,
            nso: 4,
            ny: 3,
            nyn: 3,
            om: 3,
            or: 3,
            pa: 3,
            pap: 3,
            pl: 13,
            ps: 3,
            pt: 3,
            rm: 3,
            ro: 9,
            rof: 3,
            ru: 11,
            rwk: 3,
            sah: 0,
            saq: 3,
            se: 7,
            seh: 3,
            ses: 0,
            sg: 0,
            sh: 11,
            shi: 19,
            sk: 12,
            sl: 14,
            sma: 7,
            smi: 7,
            smj: 7,
            smn: 7,
            sms: 7,
            sn: 3,
            so: 3,
            sq: 3,
            sr: 11,
            ss: 3,
            ssy: 3,
            st: 3,
            sv: 3,
            sw: 3,
            syr: 3,
            ta: 3,
            te: 3,
            teo: 3,
            th: 0,
            ti: 4,
            tig: 3,
            tk: 3,
            tl: 4,
            tn: 3,
            to: 0,
            tr: 0,
            ts: 3,
            tzm: 22,
            uk: 11,
            ur: 3,
            ve: 3,
            vi: 0,
            vun: 3,
            wa: 4,
            wae: 3,
            wo: 0,
            xh: 3,
            xog: 3,
            yo: 0,
            zh: 0,
            zu: 3
          }

          function isIn (n, list) {
            return list.indexOf(n) !== -1
          }

          function isBetween (n, start, end) {
            return start <= n && n <= end
          }

          var pluralRules = {
            0: function _ (n) {
              return 'other'
            },
            1: function _ (n) {
              if (isBetween(n % 100, 3, 10)) return 'few'
              if (n === 0) return 'zero'
              if (isBetween(n % 100, 11, 99)) return 'many'
              if (n == 2) return 'two'
              if (n == 1) return 'one'
              return 'other'
            },
            2: function _ (n) {
              if (n !== 0 && n % 10 === 0) return 'many'
              if (n == 2) return 'two'
              if (n == 1) return 'one'
              return 'other'
            },
            3: function _ (n) {
              if (n == 1) return 'one'
              return 'other'
            },
            4: function _ (n) {
              if (isBetween(n, 0, 1)) return 'one'
              return 'other'
            },
            5: function _ (n) {
              if (isBetween(n, 0, 2) && n != 2) return 'one'
              return 'other'
            },
            6: function _ (n) {
              if (n === 0) return 'zero'
              if (n % 10 == 1 && n % 100 != 11) return 'one'
              return 'other'
            },
            7: function _ (n) {
              if (n == 2) return 'two'
              if (n == 1) return 'one'
              return 'other'
            },
            8: function _ (n) {
              if (isBetween(n, 3, 6)) return 'few'
              if (isBetween(n, 7, 10)) return 'many'
              if (n == 2) return 'two'
              if (n == 1) return 'one'
              return 'other'
            },
            9: function _ (n) {
              if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few'
              if (n == 1) return 'one'
              return 'other'
            },
            10: function _ (n) {
              if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few'
              if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one'
              return 'other'
            },
            11: function _ (n) {
              if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'
              if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many'
              if (n % 10 == 1 && n % 100 != 11) return 'one'
              return 'other'
            },
            12: function _ (n) {
              if (isBetween(n, 2, 4)) return 'few'
              if (n == 1) return 'one'
              return 'other'
            },
            13: function _ (n) {
              if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'
              if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many'
              if (n == 1) return 'one'
              return 'other'
            },
            14: function _ (n) {
              if (isBetween(n % 100, 3, 4)) return 'few'
              if (n % 100 == 2) return 'two'
              if (n % 100 == 1) return 'one'
              return 'other'
            },
            15: function _ (n) {
              if (n === 0 || isBetween(n % 100, 2, 10)) return 'few'
              if (isBetween(n % 100, 11, 19)) return 'many'
              if (n == 1) return 'one'
              return 'other'
            },
            16: function _ (n) {
              if (n % 10 == 1 && n != 11) return 'one'
              return 'other'
            },
            17: function _ (n) {
              if (n == 3) return 'few'
              if (n === 0) return 'zero'
              if (n == 6) return 'many'
              if (n == 2) return 'two'
              if (n == 1) return 'one'
              return 'other'
            },
            18: function _ (n) {
              if (n === 0) return 'zero'
              if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one'
              return 'other'
            },
            19: function _ (n) {
              if (isBetween(n, 2, 10)) return 'few'
              if (isBetween(n, 0, 1)) return 'one'
              return 'other'
            },
            20: function _ (n) {
              if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few'
              if (n % 1000000 === 0 && n !== 0) return 'many'
              if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two'
              if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one'
              return 'other'
            },
            21: function _ (n) {
              if (n === 0) return 'zero'
              if (n == 1) return 'one'
              return 'other'
            },
            22: function _ (n) {
              if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one'
              return 'other'
            },
            23: function _ (n) {
              if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one'
              return 'other'
            },
            24: function _ (n) {
              if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few'
              if (isIn(n, [2, 12])) return 'two'
              if (isIn(n, [1, 11])) return 'one'
              return 'other'
            }
          }
          var index = locales2rules[lang.replace(/-.*$/, '')]

          if (!(index in pluralRules)) {
            console.warn('plural form unknown for [' + lang + ']')
            return function () {
              return 'other'
            }
          }

          return pluralRules[index]
        }

        gMacros.plural = function (str, param, key, prop) {
          var n = parseFloat(param)
          if (isNaN(n)) return str
          if (prop != gTextProp) return str

          if (!gMacros._pluralRules) {
            gMacros._pluralRules = getPluralRules(gLanguage)
          }

          var index = '[' + gMacros._pluralRules(n) + ']'

          if (n === 0 && key + '[zero]' in gL10nData) {
            str = gL10nData[key + '[zero]'][prop]
          } else if (n == 1 && key + '[one]' in gL10nData) {
            str = gL10nData[key + '[one]'][prop]
          } else if (n == 2 && key + '[two]' in gL10nData) {
            str = gL10nData[key + '[two]'][prop]
          } else if (key + index in gL10nData) {
            str = gL10nData[key + index][prop]
          } else if (key + '[other]' in gL10nData) {
            str = gL10nData[key + '[other]'][prop]
          }

          return str
        }

        function getL10nData (key, args, fallback) {
          var data = gL10nData[key]

          if (!data) {
            console.warn('#' + key + ' is undefined.')

            if (!fallback) {
              return null
            }

            data = fallback
          }

          var rv = {}

          for (var prop in data) {
            var str = data[prop]
            str = substIndexes(str, args, key, prop)
            str = substArguments(str, args, key)
            rv[prop] = str
          }

          return rv
        }

        function substIndexes (str, args, key, prop) {
          var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/
          var reMatch = reIndex.exec(str)
          if (!reMatch || !reMatch.length) return str
          var macroName = reMatch[1]
          var paramName = reMatch[2]
          var param

          if (args && paramName in args) {
            param = args[paramName]
          } else if (paramName in gL10nData) {
            param = gL10nData[paramName]
          }

          if (macroName in gMacros) {
            var macro = gMacros[macroName]
            str = macro(str, param, key, prop)
          }

          return str
        }

        function substArguments (str, args, key) {
          var reArgs = /\{\{\s*(.+?)\s*\}\}/g
          return str.replace(reArgs, function (matched_text, arg) {
            if (args && arg in args) {
              return args[arg]
            }

            if (arg in gL10nData) {
              return gL10nData[arg]
            }

            console.log('argument {{' + arg + '}} for #' + key + ' is undefined.')
            return matched_text
          })
        }

        function translateElement (element) {
          var l10n = getL10nAttributes(element)
          if (!l10n.id) return
          var data = getL10nData(l10n.id, l10n.args)

          if (!data) {
            console.warn('#' + l10n.id + ' is undefined.')
            return
          }

          if (data[gTextProp]) {
            if (getChildElementCount(element) === 0) {
              element[gTextProp] = data[gTextProp]
            } else {
              var children = element.childNodes
              var found = false

              for (var i = 0, l = children.length; i < l; i++) {
                if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
                  if (found) {
                    children[i].nodeValue = ''
                  } else {
                    children[i].nodeValue = data[gTextProp]
                    found = true
                  }
                }
              }

              if (!found) {
                var textNode = document.createTextNode(data[gTextProp])
                element.insertBefore(textNode, element.firstChild)
              }
            }

            delete data[gTextProp]
          }

          for (var k in data) {
            element[k] = data[k]
          }
        }

        function getChildElementCount (element) {
          if (element.children) {
            return element.children.length
          }

          if (typeof element.childElementCount !== 'undefined') {
            return element.childElementCount
          }

          var count = 0

          for (var i = 0; i < element.childNodes.length; i++) {
            count += element.nodeType === 1 ? 1 : 0
          }

          return count
        }

        function translateFragment (element) {
          element = element || document.documentElement
          var children = getTranslatableChildren(element)
          var elementCount = children.length

          for (var i = 0; i < elementCount; i++) {
            translateElement(children[i])
          }

          translateElement(element)
        }

        return {
          get: function get (key, args, fallbackString) {
            var index = key.lastIndexOf('.')
            var prop = gTextProp

            if (index > 0) {
              prop = key.substring(index + 1)
              key = key.substring(0, index)
            }

            var fallback

            if (fallbackString) {
              fallback = {}
              fallback[prop] = fallbackString
            }

            var data = getL10nData(key, args, fallback)

            if (data && prop in data) {
              return data[prop]
            }

            return '{{' + key + '}}'
          },
          getData: function getData () {
            return gL10nData
          },
          getText: function getText () {
            return gTextData
          },
          getLanguage: function getLanguage () {
            return gLanguage
          },
          setLanguage: function setLanguage (lang, callback) {
            loadLocale(lang, function () {
              if (callback) callback()
            })
          },
          getDirection: function getDirection () {
            var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']
            var shortCode = gLanguage.split('-', 1)[0]
            return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr'
          },
          translate: translateFragment,
          getReadyState: function getReadyState () {
            return gReadyState
          },
          ready: function ready (callback) {
            if (!callback) {

            } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
              window.setTimeout(function () {
                callback()
              })
            } else if (document.addEventListener) {
              document.addEventListener('localized', function once () {
                document.removeEventListener('localized', once)
                callback()
              })
            }
          }
        }
      }(window, document))
      /***/ },
    /* 42 */
    /***/ (__unused_webpack_module, exports, __webpack_require__) => {
      Object.defineProperty(exports, '__esModule', ({
        value: true
      }))
      exports.PDFPrintService = PDFPrintService

      var _ui_utils = __webpack_require__(6)

      var _app = __webpack_require__(3)

      var _viewer_compatibility = __webpack_require__(2)

      var activeService = null
      var overlayManager = null

      function renderPage (activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise) {
        var scratchCanvas = activeService.scratchCanvas
        var PRINT_UNITS = printResolution / 72.0
        scratchCanvas.width = Math.floor(size.width * PRINT_UNITS)
        scratchCanvas.height = Math.floor(size.height * PRINT_UNITS)
        var width = Math.floor(size.width * _ui_utils.CSS_UNITS) + 'px'
        var height = Math.floor(size.height * _ui_utils.CSS_UNITS) + 'px'
        var ctx = scratchCanvas.getContext('2d')
        ctx.save()
        ctx.fillStyle = 'rgb(255, 255, 255)'
        ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height)
        ctx.restore()
        return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
          var renderContext = {
            canvasContext: ctx,
            transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
            viewport: pdfPage.getViewport({
              scale: 1,
              rotation: size.rotation
            }),
            intent: 'print',
            annotationStorage: pdfDocument.annotationStorage,
            optionalContentConfigPromise: optionalContentConfigPromise
          }
          return pdfPage.render(renderContext).promise
        }).then(function () {
          return {
            width: width,
            height: height
          }
        })
      }

      function PDFPrintService (pdfDocument, pagesOverview, printContainer, printResolution) {
        var optionalContentConfigPromise = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null
        var l10n = arguments.length > 5 ? arguments[5] : undefined
        this.pdfDocument = pdfDocument
        this.pagesOverview = pagesOverview
        this.printContainer = printContainer
        this._printResolution = printResolution || 150
        this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig()
        this.l10n = l10n || _ui_utils.NullL10n
        this.currentPage = -1
        this.scratchCanvas = document.createElement('canvas')
      }

      PDFPrintService.prototype = {
        layout: function layout () {
          this.throwIfInactive()
          var body = document.querySelector('body')
          body.setAttribute('data-pdfjsprinting', true)
          var hasEqualPageSizes = this.pagesOverview.every(function (size) {
            return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height
          }, this)

          if (!hasEqualPageSizes) {
            console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!')
          }

          this.pageStyleSheet = document.createElement('style')
          var pageSize = this.pagesOverview[0]
          this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}'
          body.appendChild(this.pageStyleSheet)
        },
        destroy: function destroy () {
          if (activeService !== this) {
            return
          }

          this.printContainer.textContent = ''
          var body = document.querySelector('body')
          body.removeAttribute('data-pdfjsprinting')

          if (this.pageStyleSheet) {
            this.pageStyleSheet.remove()
            this.pageStyleSheet = null
          }

          this.scratchCanvas.width = this.scratchCanvas.height = 0
          this.scratchCanvas = null
          activeService = null
          ensureOverlay().then(function () {
            if (overlayManager.active !== 'printServiceOverlay') {
              return
            }

            overlayManager.close('printServiceOverlay')
          })
        },
        renderPages: function renderPages () {
          var _this = this

          var pageCount = this.pagesOverview.length

          var renderNextPage = function renderNextPage (resolve, reject) {
            _this.throwIfInactive()

            if (++_this.currentPage >= pageCount) {
              renderProgress(pageCount, pageCount, _this.l10n)
              resolve()
              return
            }

            var index = _this.currentPage
            renderProgress(index, pageCount, _this.l10n)
            renderPage(_this, _this.pdfDocument, index + 1, _this.pagesOverview[index], _this._printResolution, _this._optionalContentConfigPromise).then(_this.useRenderedPage.bind(_this)).then(function () {
              renderNextPage(resolve, reject)
            }, reject)
          }

          return new Promise(renderNextPage)
        },
        useRenderedPage: function useRenderedPage (printItem) {
          this.throwIfInactive()
          var img = document.createElement('img')
          img.style.width = printItem.width
          img.style.height = printItem.height
          var scratchCanvas = this.scratchCanvas

          if ('toBlob' in scratchCanvas && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
            scratchCanvas.toBlob(function (blob) {
              img.src = URL.createObjectURL(blob)
            })
          } else {
            img.src = scratchCanvas.toDataURL()
          }

          var wrapper = document.createElement('div')
          wrapper.appendChild(img)
          this.printContainer.appendChild(wrapper)
          return new Promise(function (resolve, reject) {
            img.onload = resolve
            img.onerror = reject
          })
        },
        performPrint: function performPrint () {
          var _this2 = this

          this.throwIfInactive()
          return new Promise(function (resolve) {
            setTimeout(function () {
              if (!_this2.active) {
                resolve()
                return
              }

              print.call(window)
              setTimeout(resolve, 20)
            }, 0)
          })
        },

        get active () {
          return this === activeService
        },

        throwIfInactive: function throwIfInactive () {
          if (!this.active) {
            throw new Error('This print request was cancelled or completed.')
          }
        }
      }
      var print = window.print

      window.print = function () {
        if (activeService) {
          console.warn('Ignored window.print() because of a pending print job.')
          return
        }

        ensureOverlay().then(function () {
          if (activeService) {
            overlayManager.open('printServiceOverlay')
          }
        })

        try {
          dispatchEvent('beforeprint')
        } finally {
          if (!activeService) {
            console.error('Expected print service to be initialized.')
            ensureOverlay().then(function () {
              if (overlayManager.active === 'printServiceOverlay') {
                overlayManager.close('printServiceOverlay')
              }
            })
            return
          }

          var activeServiceOnEntry = activeService
          activeService.renderPages().then(function () {
            return activeServiceOnEntry.performPrint()
          }).catch(function () {}).then(function () {
            if (activeServiceOnEntry.active) {
              abort()
            }
          })
        }
      }

      function dispatchEvent (eventType) {
        var event = document.createEvent('CustomEvent')
        event.initCustomEvent(eventType, false, false, 'custom')
        window.dispatchEvent(event)
      }

      function abort () {
        if (activeService) {
          activeService.destroy()
          dispatchEvent('afterprint')
        }
      }

      function renderProgress (index, total, l10n) {
        var progressContainer = document.getElementById('printServiceOverlay')
        var progress = Math.round(100 * index / total)
        var progressBar = progressContainer.querySelector('progress')
        var progressPerc = progressContainer.querySelector('.relative-progress')
        progressBar.value = progress
        l10n.get('print_progress_percent', {
          progress: progress
        }, progress + '%').then(function (msg) {
          progressPerc.textContent = msg
        })
      }

      window.addEventListener('keydown', function (event) {
        if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
          window.print()
          event.preventDefault()

          if (event.stopImmediatePropagation) {
            event.stopImmediatePropagation()
          } else {
            event.stopPropagation()
          }
        }
      }, true)

      if ('onbeforeprint' in window) {
        var stopPropagationIfNeeded = function stopPropagationIfNeeded (event) {
          if (event.detail !== 'custom' && event.stopImmediatePropagation) {
            event.stopImmediatePropagation()
          }
        }

        window.addEventListener('beforeprint', stopPropagationIfNeeded)
        window.addEventListener('afterprint', stopPropagationIfNeeded)
      }

      var overlayPromise

      function ensureOverlay () {
        if (!overlayPromise) {
          overlayManager = _app.PDFViewerApplication.overlayManager

          if (!overlayManager) {
            throw new Error('The overlay manager has not yet been initialized.')
          }

          overlayPromise = overlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true)
          document.getElementById('printCancel').onclick = abort
        }

        return overlayPromise
      }

      _app.PDFPrintServiceFactory.instance = {
        supportsPrinting: true,
        createPrintService: function createPrintService (pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n) {
          if (activeService) {
            throw new Error('The print service is created and active.')
          }

          activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n)
          return activeService
        }
      }
      /***/ }
    /******/ 	])
  /************************************************************************/
  /******/ 	// The module cache
  /******/ 	var __webpack_module_cache__ = {}
  /******/
  /******/ 	// The require function
  /******/ 	function __webpack_require__ (moduleId) {
    /******/ 		// Check if module is in cache
    /******/ 		if (__webpack_module_cache__[moduleId]) {
      /******/ 			return __webpack_module_cache__[moduleId].exports
      /******/ 		}
    /******/ 		// Create a new module (and put it into the cache)
    /******/ 		var module = __webpack_module_cache__[moduleId] = {
      /******/ 			id: moduleId,
      /******/ 			loaded: false,
      /******/ 			exports: {}
      /******/ 		}
    /******/
    /******/ 		// Execute the module function
    /******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__)
    /******/
    /******/ 		// Flag the module as loaded
    /******/ 		module.loaded = true
    /******/
    /******/ 		// Return the exports of the module
    /******/ 		return module.exports
    /******/ 	}
  /******/
  /************************************************************************/
  /******/ 	/* webpack/runtime/node module decorator */
  /******/ 	(() => {
    /******/ 		__webpack_require__.nmd = (module) => {
      /******/ 			module.paths = []
      /******/ 			if (!module.children) module.children = []
      /******/ 			return module
      /******/ 		}
    /******/ 	})()
  /******/
  /************************************************************************/
  /******/ 	// startup
  /******/ 	// Load entry module
  /******/ 	__webpack_require__(0)
/******/ 	// This entry module used 'exports' so it can't be inlined
/******/ })()

// # sourceMappingURL=viewer.js.map
